Hospitalization: The confinement of a patient in a hospital.Insurance, Health: Insurance providing coverage of medical, surgical, or hospital care in general or for which there is no specific heading.Insurance Coverage: Generally refers to the amount of protection available and the kind of loss which would be paid for under an insurance contract with an insurer. (Slee & Slee, Health Care Terms, 2d ed)Insurance: Coverage by contract whereby one part indemnifies or guarantees another against loss by a specified contingency.Insurance, Long-Term Care: Health insurance to provide full or partial coverage for long-term home care services or for long-term nursing care provided in a residential facility such as a nursing home.Insurance, Life: Insurance providing for payment of a stipulated sum to a designated beneficiary upon death of the insured.Insurance Carriers: Organizations which assume the financial responsibility for the risks of policyholders.Insurance Pools: An organization of insurers or reinsurers through which particular types of risk are shared or pooled. The risk of high loss by a particular insurance company is transferred to the group as a whole (the insurance pool) with premiums, losses, and expenses shared in agreed amounts.Medically Uninsured: Individuals or groups with no or inadequate health insurance coverage. Those falling into this category usually comprise three primary groups: the medically indigent (MEDICAL INDIGENCY); those whose clinical condition makes them medically uninsurable; and the working uninsured.United StatesInsurance Selection Bias: Adverse or favorable selection bias exhibited by insurers or enrollees resulting in disproportionate enrollment of certain groups of people.Insurance Benefits: Payments or services provided under stated circumstances under the terms of an insurance policy. In prepayment programs, benefits are the services the programs will provide at defined locations and to the extent needed.Insurance, Dental: Insurance providing coverage for dental care.Insurance, Health, Reimbursement: Payment by a third-party payer in a sum equal to the amount expended by a health care provider or facility for health services rendered to an insured or program beneficiary. (From Facts on File Dictionary of Health Care Management, 1988)Health Benefit Plans, Employee: Health insurance plans for employees, and generally including their dependents, usually on a cost-sharing basis with the employer paying a percentage of the premium.Insurance, Hospitalization: Health insurance providing benefits to cover or partly cover hospital expenses.Insurance Claim Reporting: The design, completion, and filing of forms with the insurer.Insurance, Liability: Insurance against loss resulting from liability for injury or damage to the persons or property of others.Insurance, Major Medical: Insurance providing a broad range of medical services and supplies, when prescribed by a physician, whether or not the patient is hospitalized. It frequently is an extension of a basic policy and benefits will not begin until the basic policy is exhausted.Insurance, Accident: Insurance providing coverage for physical injury suffered as a result of unavoidable circumstances.Universal Coverage: Health insurance coverage for all persons in a state or country, rather than for some subset of the population. It may extend to the unemployed as well as to the employed; to aliens as well as to citizens; for pre-existing conditions as well as for current illnesses; for mental as well as for physical conditions.Medicaid: Federal program, created by Public Law 89-97, Title XIX, a 1965 amendment to the Social Security Act, administered by the states, that provides health care benefits to indigent and medically indigent persons.National Health Insurance, United StatesInsurance Claim Review: Review of claims by insurance companies to determine liability and amount of payment for various services. The review may also include determination of eligibility of the claimant or beneficiary or of the provider of the benefit; determination that the benefit is covered or not payable under another policy; or determination that the service was necessary and of reasonable cost and quality.Length of Stay: The period of confinement of a patient to a hospital or other health facility.National Health Programs: Components of a national health care system which administer specific services, e.g., national health insurance.Health Care Reform: Innovation and improvement of the health care system by reappraisal, amendment of services, and removal of faults and abuses in providing and distributing health services to patients. It includes a re-alignment of health services and health insurance to maximum demographic elements (the unemployed, indigent, uninsured, elderly, inner cities, rural areas) with reference to coverage, hospitalization, pricing and cost containment, insurers' and employers' costs, pre-existing medical conditions, prescribed drugs, equipment, and services.Health Services Accessibility: The degree to which individuals are inhibited or facilitated in their ability to gain entry to and to receive care and services from the health care system. Factors influencing this ability include geographic, architectural, transportational, and financial considerations, among others.Health Insurance Portability and Accountability Act: Public Law 104-91 enacted in 1996, was designed to improve the efficiency and effectiveness of the healthcare system, protect health insurance coverage for workers and their families, and to protect individual personal health information.Health Expenditures: The amounts spent by individuals, groups, nations, or private or public organizations for total health care and/or its various components. These amounts may or may not be equivalent to the actual costs (HEALTH CARE COSTS) and may or may not be shared among the patient, insurers, and/or employers.Retrospective Studies: Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons.State Health Plans: State plans prepared by the State Health Planning and Development Agencies which are made up from plans submitted by the Health Systems Agencies and subject to review and revision by the Statewide Health Coordinating Council.Health Care Costs: The actual costs of providing services related to the delivery of health care, including the costs of procedures, therapies, and medications. It is differentiated from HEALTH EXPENDITURES, which refers to the amount of money paid for the services, and from fees, which refers to the amount charged, regardless of cost.Eligibility Determination: Criteria to determine eligibility of patients for medical care programs and services.Private Sector: That distinct portion of the institutional, industrial, or economic structure of a country that is controlled or owned by non-governmental, private interests.Financing, Personal: Payment by individuals or their family for health care services which are not covered by a third-party payer, either insurance or medical assistance.Risk Factors: An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.Fees and Charges: Amounts charged to the patient as payer for health care services.Medical Assistance: Financing of medical care provided to public assistance recipients.Insurance, Psychiatric: Insurance providing benefits to cover part or all of the psychiatric care.Medicare: Federal program, created by Public Law 89-97, Title XVIII-Health Insurance for the Aged, a 1965 amendment to the Social Security Act, that provides health insurance benefits to persons over the age of 65 and others eligible for Social Security benefits. It consists of two separate but coordinated programs: hospital insurance (MEDICARE PART A) and supplementary medical insurance (MEDICARE PART B). (Hospital Administration Terminology, AHA, 2d ed and A Discursive Dictionary of Health Care, US House of Representatives, 1976)Patient Protection and Affordable Care Act: An Act prohibiting a health plan from establishing lifetime limits or annual limits on the dollar value of benefits for any participant or beneficiary after January 1, 2014. It permits a restricted annual limit for plan years beginning prior to January 1, 2014. It provides that a health plan shall not be prevented from placing annual or lifetime per-beneficiary limits on covered benefits. The Act sets up a competitive health insurance market.Socioeconomic Factors: Social and economic factors that characterize the individual or group within the social structure.Cohort Studies: Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics.Ambulatory Care: Health care services provided to patients on an ambulatory basis, rather than by admission to a hospital or other health care facility. The services may be a part of a hospital, augmenting its inpatient services, or may be provided at a free-standing facility.Insurance, Physician Services: Insurance providing benefits for the costs of care by a physician which can be comprehensive or limited to surgical expenses or for care provided only in the hospital. It is frequently called "regular medical expense" or "surgical expense".Cost Sharing: Provisions of an insurance policy that require the insured to pay some portion of covered expenses. Several forms of sharing are in use, e.g., deductibles, coinsurance, and copayments. Cost sharing does not refer to or include amounts paid in premiums for the coverage. (From Dictionary of Health Services Management, 2d ed)Patient Discharge: The administrative process of discharging the patient, alive or dead, from hospitals or other health facilities.Logistic Models: Statistical models which describe the relationship between a qualitative dependent variable (that is, one which can take only certain discrete values, such as the presence or absence of a disease) and an independent variable. A common application is in epidemiology for estimating an individual's risk (probability of a disease) as a function of a given risk factor.Infant, Newborn: An infant during the first month after birth.Health Services: Services for the diagnosis and treatment of disease and the maintenance of health.Health Care Surveys: Statistical measures of utilization and other aspects of the provision of health care services including hospitalization and ambulatory care.Income: Revenues or receipts accruing from business enterprise, labor, or invested capital.Insurance, Pharmaceutical Services: Insurance providing for payment of services rendered by the pharmacist. Services include the preparation and distribution of medical products.Social Security: Government sponsored social insurance programs.Hospital Costs: The expenses incurred by a hospital in providing care. The hospital costs attributed to a particular patient care episode include the direct costs plus an appropriate proportion of the overhead for administration, personnel, building maintenance, equipment, etc. Hospital costs are one of the factors which determine HOSPITAL CHARGES (the price the hospital sets for its services).Patient Readmission: Subsequent admissions of a patient to a hospital or other health care institution for treatment.Child Health Services: Organized services to provide health care for children.Treatment Outcome: Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.Insurance, Disability: Insurance designed to compensate persons who lose wages because of illness or injury; insurance providing periodic payments that partially replace lost wages, salary, or other income when the insured is unable to work because of illness, injury, or disease. Individual and group disability insurance are two types of such coverage. (From Facts on File Dictionary of Health Care Management, 1988, p207)Incidence: The number of new cases of a given disease during a given period in a specified population. It also is used for the rate at which new events occur in a defined population. It is differentiated from PREVALENCE, which refers to all cases, new or old, in the population at a given time.Health Insurance Exchanges: State-provided health insurance marketplaces established under the PATIENT PROTECTION AND AFFORDABLE CARE ACT.Prospective Studies: Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group.CaliforniaHealthcare Disparities: Differences in access to or availability of medical facilities and services.TaiwanPoverty: A situation in which the level of living of an individual, family, or group is below the standard of the community. It is often related to a specific income level.Costs and Cost Analysis: Absolute, comparative, or differential costs pertaining to services, institutions, resources, etc., or the analysis and study of these costs.Age Factors: Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time.Heart Failure: A heterogeneous condition in which the heart is unable to pump out sufficient blood to meet the metabolic need of the body. Heart failure can be caused by structural defects, functional abnormalities (VENTRICULAR DYSFUNCTION), or a sudden overload beyond its capacity. Chronic heart failure is more common than acute heart failure which results from sudden insult to cardiac function, such as MYOCARDIAL INFARCTION.Time Factors: Elements of limited time intervals, contributing to particular results or situations.Managed Care Programs: Health insurance plans intended to reduce unnecessary health care costs through a variety of mechanisms, including: economic incentives for physicians and patients to select less costly forms of care; programs for reviewing the medical necessity of specific services; increased beneficiary cost sharing; controls on inpatient admissions and lengths of stay; the establishment of cost-sharing incentives for outpatient surgery; selective contracting with health care providers; and the intensive management of high-cost health care cases. The programs may be provided in a variety of settings, such as HEALTH MAINTENANCE ORGANIZATIONS and PREFERRED PROVIDER ORGANIZATIONS.Follow-Up Studies: Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease.Patient Admission: The process of accepting patients. The concept includes patients accepted for medical and nursing care in a hospital or other health care institution.Health Services Research: The integration of epidemiologic, sociological, economic, and other analytic sciences in the study of health services. Health services research is usually concerned with relationships between need, demand, supply, use, and outcome of health services. The aim of the research is evaluation, particularly in terms of structure, process, output, and outcome. (From Last, Dictionary of Epidemiology, 2d ed)Cost Control: The containment, regulation, or restraint of costs. Costs are said to be contained when the value of resources committed to an activity is not considered excessive. This determination is frequently subjective and dependent upon the specific geographic area of the activity being measured. (From Dictionary of Health Services Management, 2d ed)Databases, Factual: Extensive collections, reputedly complete, of facts and data garnered from material of a specialized subject area and made available for analysis and application. The collection can be automated by various contemporary methods for retrieval. The concept should be differentiated from DATABASES, BIBLIOGRAPHIC which is restricted to collections of bibliographic references.Child, Hospitalized: Child hospitalized for short term care.Multivariate Analysis: A set of techniques used when variation in several variables has to be studied simultaneously. In statistics, multivariate analysis is interpreted as any analytic method that allows simultaneous study of two or more dependent variables.Cost of Illness: The personal cost of acute or chronic disease. The cost to the patient may be an economic, social, or psychological cost or personal loss to self, family, or immediate community. The cost of illness may be reflected in absenteeism, productivity, response to treatment, peace of mind, or QUALITY OF LIFE. It differs from HEALTH CARE COSTS, meaning the societal cost of providing services related to the delivery of health care, rather than personal impact on individuals.Age Distribution: The frequency of different ages or age groups in a given population. The distribution may refer to either how many or what proportion of the group. The population is usually patients with a specific disease but the concept is not restricted to humans and is not restricted to medicine.Hospital Charges: The prices a hospital sets for its services. HOSPITAL COSTS (the direct and indirect expenses incurred by the hospital in providing the services) are one factor in the determination of hospital charges. Other factors may include, for example, profits, competition, and the necessity of recouping the costs of uncompensated care.Health Services Needs and Demand: Health services required by a population or community as well as the health services that the population or community is able and willing to pay for.Emergency Service, Hospital: Hospital department responsible for the administration and provision of immediate medical or surgical care to the emergency patient.Models, Econometric: The application of mathematical formulas and statistical techniques to the testing and quantifying of economic theories and the solution of economic problems.State Government: The level of governmental organization and function below that of the national or country-wide government.Comorbidity: The presence of co-existing or additional diseases with reference to an initial diagnosis or with reference to the index condition that is the subject of study. Comorbidity may affect the ability of affected individuals to function and also their survival; it may be used as a prognostic indicator for length of hospital stay, cost factors, and outcome or survival.Health Policy: Decisions, usually developed by government policymakers, for determining present and future objectives pertaining to the health care system.Inpatients: Persons admitted to health facilities which provide board and room, for the purpose of observation, care, diagnosis or treatment.Health Maintenance Organizations: Organized systems for providing comprehensive prepaid health care that have five basic attributes: (1) provide care in a defined geographic area; (2) provide or ensure delivery of an agreed-upon set of basic and supplemental health maintenance and treatment services; (3) provide care to a voluntarily enrolled group of persons; (4) require their enrollees to use the services of designated providers; and (5) receive reimbursement through a predetermined, fixed, periodic prepayment made by the enrollee without regard to the degree of services provided. (From Facts on File Dictionary of Health Care Management, 1988)Risk Assessment: The qualitative or quantitative estimation of the likelihood of adverse effects that may result from exposure to specified health hazards or from the absence of beneficial influences. (Last, Dictionary of Epidemiology, 1988)Tax Exemption: Status not subject to taxation; as the income of a philanthropic organization. Tax-exempt organizations may also qualify to receive tax-deductible donations if they are considered to be nonprofit corporations under Section 501(c)3 of the United States Internal Revenue Code.Aid to Families with Dependent Children: Financial assistance provided by the government to indigent families with dependent children who meet certain requirements as defined by the Social Security Act, Title IV, in the U.S.Data Collection: Systematic gathering of data for a particular purpose from various sources, including questionnaires, interviews, observation, existing records, and electronic devices. The process is usually preliminary to statistical analysis of the data.Fee-for-Service Plans: Method of charging whereby a physician or other practitioner bills for each encounter or service rendered. In addition to physicians, other health care professionals are reimbursed via this mechanism. Fee-for-service plans contrast with salary, per capita, and prepayment systems, where the payment does not change with the number of services actually used or if none are used. (From Discursive Dictionary of Health Care, 1976)Delivery of Health Care: The concept concerned with all aspects of providing and distributing health services to a patient population.Hospital Mortality: A vital statistic measuring or recording the rate of death from any cause in hospitalized populations.Pneumonia: Infection of the lung often accompanied by inflammation.Cross-Sectional Studies: Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time.New YorkHealth Care Sector: Economic sector concerned with the provision, distribution, and consumption of health care services and related products.Financing, Government: Federal, state, or local government organized methods of financial assistance.Drug Costs: The amount that a health care institution or organization pays for its drugs. It is one component of the final price that is charged to the consumer (FEES, PHARMACEUTICAL or PRESCRIPTION FEES).Severity of Illness Index: Levels within a diagnostic group which are established by various measurement criteria applied to the seriousness of a patient's disorder.Cost-Benefit Analysis: A method of comparing the cost of a program with its expected benefits in dollars (or other currency). The benefit-to-cost ratio is a measure of total return expected per unit of money spent. This analysis generally excludes consideration of factors that are not measured ultimately in economic terms. Cost effectiveness compares alternative ways to achieve a specific set of results.Income Tax: Tax on the net income of an individual, organization, or business.Utilization Review: An organized procedure carried out through committees to review admissions, duration of stay, professional services furnished, and to evaluate the medical necessity of those services and promote their most efficient use.Quality of Health Care: The levels of excellence which characterize the health service or health care provided based on accepted standards of quality.Health Status: The level of health of the individual, group, or population as subjectively assessed by the individual or by more objective measures.Sex Factors: Maleness or femaleness as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or effect of a circumstance. It is used with human or animal concepts but should be differentiated from SEX CHARACTERISTICS, anatomical or physiological manifestations of sex, and from SEX DISTRIBUTION, the number of males and females in given circumstances.Registries: The systems and processes involved in the establishment, support, management, and operation of registers, e.g., disease registers.Federal Government: The level of governmental organization and function at the national or country-wide level.Influenza, Human: An acute viral infection in humans involving the respiratory tract. It is marked by inflammation of the NASAL MUCOSA; the PHARYNX; and conjunctiva, and by headache and severe, often generalized, myalgia.Proportional Hazards Models: Statistical models used in survival analysis that assert that the effect of the study factors on the hazard rate in the study population is multiplicative and does not change over time.Mandatory Programs: Programs in which participation is required.Regression Analysis: Procedures for finding the mathematical function which best describes the relationship between a dependent variable and one or more independent variables. In linear regression (see LINEAR MODELS) the relationship is constrained to be a straight line and LEAST-SQUARES ANALYSIS is used to determine the best fit. In logistic regression (see LOGISTIC MODELS) the dependent variable is qualitative rather than continuously variable and LIKELIHOOD FUNCTIONS are used to find the best relationship. In multiple regression, the dependent variable is considered to depend on more than a single independent variable.Chronic Disease: Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care. (Dictionary of Health Services Management, 2d ed)Blue Cross Blue Shield Insurance Plans: Prepaid health and hospital insurance plan.Reimbursement Mechanisms: Processes or methods of reimbursement for services rendered or equipment.Sex Distribution: The number of males and females in a given population. The distribution may refer to how many men or women or what proportion of either in the group. The population is usually patients with a specific disease but the concept is not restricted to humans and is not restricted to medicine.Odds Ratio: The ratio of two odds. The exposure-odds ratio for case control data is the ratio of the odds in favor of exposure among cases to the odds in favor of exposure among noncases. The disease-odds ratio for a cohort or cross section is the ratio of the odds in favor of disease among the exposed to the odds in favor of disease among the unexposed. The prevalence-odds ratio refers to an odds ratio derived cross-sectionally from studies of prevalent cases.Hospitals, Psychiatric: Special hospitals which provide care to the mentally ill patient.Seasons: Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Cost Savings: Reductions in all or any portion of the costs of providing goods or services. Savings may be incurred by the provider or the consumer.Population Surveillance: Ongoing scrutiny of a population (general population, study population, target population, etc.), generally using methods distinguished by their practicability, uniformity, and frequently their rapidity, rather than by complete accuracy.Prevalence: The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.Ethnic Groups: A group of people with a common cultural heritage that sets them apart from others in a variety of social relationships.Outcome Assessment (Health Care): Research aimed at assessing the quality and effectiveness of health care as measured by the attainment of a specified end result or outcome. Measures include parameters such as improved health, lowered morbidity or mortality, and improvement of abnormal states (such as elevated blood pressure).Economic Competition: The effort of two or more parties to secure the business of a third party by offering, usually under fair or equitable rules of business practice, the most favorable terms.Employer Health Costs: That portion of total HEALTH CARE COSTS borne by an individual's or group's employing organization.Questionnaires: Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.Wounds and Injuries: Damage inflicted on the body as the direct or indirect result of an external force, with or without disruption of structural continuity.Consumer Satisfaction: Customer satisfaction or dissatisfaction with a benefit or service received.Health Services Misuse: Excessive, under or unnecessary utilization of health services by patients or physicians.Employment: The state of being engaged in an activity or service for wages or salary.MassachusettsWashingtonInsurance, Surgical: A specific type of health insurance which provides surgeons' fees for specified amounts according to the type of surgery listed in the policy.Poisson Distribution: A distribution function used to describe the occurrence of rare events or to describe the sampling distribution of isolated counts in a continuum of time or space.Medical Indigency: The condition in which individuals are financially unable to access adequate medical care without depriving themselves and their dependents of food, clothing, shelter, and other essentials of living.International Classification of Diseases: A system of categories to which morbid entries are assigned according to established criteria. Included is the entire range of conditions in a manageable number of categories, grouped to facilitate mortality reporting. It is produced by the World Health Organization (From ICD-10, p1). The Clinical Modifications, produced by the UNITED STATES DEPT. OF HEALTH AND HUMAN SERVICES, are larger extensions used for morbidity and general epidemiological purposes, primarily in the U.S.Acute Disease: Disease having a short and relatively severe course.Demography: Statistical interpretation and description of a population with reference to distribution, composition, or structure.GermanyManaged Competition: A strategy for purchasing health care in a manner which will obtain maximum value for the price for the purchasers of the health care and the recipients. The concept was developed primarily by Alain Enthoven of Stanford University and promulgated by the Jackson Hole Group. The strategy depends on sponsors for groups of the population to be insured. The sponsor, in some cases a health alliance, acts as an intermediary between the group and competing provider groups (accountable health plans). The competition is price-based among annual premiums for a defined, standardized benefit package. (From Slee and Slee, Health Care Reform Terms, 1993)Continental Population Groups: Groups of individuals whose putative ancestry is from native continental populations based on similarities in physical appearance.Hispanic Americans: Persons living in the United States of Mexican (MEXICAN AMERICANS), Puerto Rican, Cuban, Central or South American, or other Spanish culture or origin. The concept does not include Brazilian Americans or Portuguese Americans.Public Sector: The area of a nation's economy that is tax-supported and under government control.Confidence Intervals: A range of values for a variable of interest, e.g., a rate, constructed so that this range has a specified probability of including the true value of the variable.Canada: The largest country in North America, comprising 10 provinces and three territories. Its capital is Ottawa.Privatization: Process of shifting publicly controlled services and/or facilities to the private sector.DenmarkHealth Resources: Available manpower, facilities, revenue, equipment, and supplies to produce requisite health care and services.Asthma: A form of bronchial disorder with three distinct components: airway hyper-responsiveness (RESPIRATORY HYPERSENSITIVITY), airway INFLAMMATION, and intermittent AIRWAY OBSTRUCTION. It is characterized by spasmodic contraction of airway smooth muscle, WHEEZING, and dyspnea (DYSPNEA, PAROXYSMAL).Gastroenteritis: INFLAMMATION of any segment of the GASTROINTESTINAL TRACT from ESOPHAGUS to RECTUM. Causes of gastroenteritis are many including genetic, infection, HYPERSENSITIVITY, drug effects, and CANCER.Medical Savings Accounts: Tax-exempt trusts or custodial accounts established by individuals with financial institutions for saving money for future medical expenses.Morbidity: The proportion of patients with a particular disease during a given year per given unit of population.Hospitals: Institutions with an organized medical staff which provide medical care to patients.Patient Acceptance of Health Care: The seeking and acceptance by patients of health service.OregonRotavirus Infections: Infection with any of the rotaviruses. Specific infections include human infantile diarrhea, neonatal calf diarrhea, and epidemic diarrhea of infant mice.Longitudinal Studies: Studies in which variables relating to an individual or group of individuals are assessed over a period of time.Politics: Activities concerned with governmental policies, functions, etc.Catastrophic Illness: An acute or prolonged illness usually considered to be life-threatening or with the threat of serious residual disability. Treatment may be radical and is frequently costly.Office Visits: Visits made by patients to health service providers' offices for diagnosis, treatment, and follow-up.Risk: The probability that an event will occur. It encompasses a variety of measures of the probability of a generally unfavorable outcome.Direct Service Costs: Costs which are directly identifiable with a particular service.Health Surveys: A systematic collection of factual data pertaining to health and disease in a human population within a given geographic area.New JerseyCost Allocation: The assignment, to each of several particular cost-centers, of an equitable proportion of the costs of activities that serve all of them. Cost-center usually refers to institutional departments or services.Policy Making: The decision process by which individuals, groups or institutions establish policies pertaining to plans, programs or procedures.Prognosis: A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations.Family Characteristics: Size and composition of the family.Disabled Children: Children with mental or physical disabilities that interfere with usual activities of daily living and that may require accommodation or intervention.African Americans: Persons living in the United States having origins in any of the black groups of Africa.Physician's Practice Patterns: Patterns of practice related to diagnosis and treatment as especially influenced by cost of the service requested and provided.Diagnosis-Related Groups: A system for classifying patient care by relating common characteristics such as diagnosis, treatment, and age to an expected consumption of hospital resources and length of stay. Its purpose is to provide a framework for specifying case mix and to reduce hospital costs and reimbursements and it forms the cornerstone of the prospective payment system.IsraelGroup Purchasing: A shared service which combines the purchasing power of individual organizations or facilities in order to obtain lower prices for equipment and supplies. (From Health Care Terms, 2nd ed)Insurance, Nursing Services: Insurance providing benefits for the costs of care provided by nurses, especially nurse practitioners and nurse clinicians.Primary Health Care: Care which provides integrated, accessible health care services by clinicians who are accountable for addressing a large majority of personal health care needs, developing a sustained partnership with patients, and practicing in the context of family and community. (JAMA 1995;273(3):192)TennesseeBrazilSocial Welfare: Organized institutions which provide services to ameliorate conditions of need or social pathology in the community.Continuity of Patient Care: Health care provided on a continuing basis from the initial contact, following the patient through all phases of medical care.FloridaEuropean Continental Ancestry Group: Individuals whose ancestral origins are in the continent of Europe.Respiratory Syncytial Virus Infections: Pneumovirus infections caused by the RESPIRATORY SYNCYTIAL VIRUSES. Humans and cattle are most affected but infections in goats and sheep have been reported.Ontario: A province of Canada lying between the provinces of Manitoba and Quebec. Its capital is Toronto. It takes its name from Lake Ontario which is said to represent the Iroquois oniatariio, beautiful lake. (From Webster's New Geographical Dictionary, 1988, p892 & Room, Brewer's Dictionary of Names, 1992, p391)Rotavirus Vaccines: Vaccines or candidate vaccines used to prevent infection with ROTAVIRUS.Budgets: Detailed financial plans for carrying out specific activities for a certain period of time. They include proposed income and expenditures.Chi-Square Distribution: A distribution in which a variable is distributed like the sum of the squares of any given independent random variable, each of which has a normal distribution with mean of zero and variance of one. The chi-square test is a statistical test based on comparison of a test statistic to a chi-square distribution. The oldest of these tests are used to detect whether two or more population distributions differ from one another.Nursing Homes: Facilities which provide nursing supervision and limited medical care to persons who do not require hospitalization.Bronchiolitis: Inflammation of the BRONCHIOLES.Rate Setting and Review: A method of examining and setting levels of payments.Social Class: A stratum of people with similar position and prestige; includes social stratification. Social class is measured by criteria such as education, occupation, and income.Myocardial Infarction: NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION).Compensation and Redress: Payment, or other means of making amends, for a wrong or injury.Outpatients: Persons who receive ambulatory care at an outpatient department or clinic without room and board being provided.Urban Population: The inhabitants of a city or town, including metropolitan areas and suburban areas.Preventive Health Services: Services designed for HEALTH PROMOTION and prevention of disease.