Case control study. Medical search. Frequent questions

Centers for Disease Control and Prevention. (cdc.gov)

To better understand the relation between several childproofing strategies and the risk of injuries to children in the home, we undertook a multicentre case-control study in which we compared hazards in the homes of children with and without injuries. (cmaj.ca)
This is the first multicentre case-control study in Northwest Ethiopia to investigate determinants for tuberculosis (TB) in HIV-infected adults. (bmj.com)

To assess potential risk factors, CDC, in collaboration with French and British public health authorities, conducted a retrospective case-control study using data reported to national surveillance systems in the United States, France, and the United Kingdom. (cdc.gov)
DESIGN: Retrospective case-control study with data validated through clinical chart review. (lu.se)

A case-control study is often used to produce an odds ratio, which is an inferior measure of strength of association compared to relative risk, but new statistical methods make it possible to use a case-control study to estimate relative risk, risk differences, and other quantities. (wikipedia.org)
Patients/Methods This was a case-control study. (nih.gov)
Methods In this matched case-control study, residential fire fatalities (cases, n=850) (age above 19 years old) were identified in the national register on fatal fires. (bmj.com)
Methods: This population-based study investigated were shown to be statistically associated with the development an occupation that was classified according to the International of cancer of the oropharynx with Odds Ratio (OR) ranging from Standard Classification of Occupations. (bvsalud.org)

We conducted a case-control study of patients who consulted the neurological department between 1999 and 2006 to investigate the relationship between pineal cysts and headache and to determine the relevance of the cyst size. (nih.gov)
A total of 51 patients with pineal cyst were identified, thereby 51% were suffering from headache (half of them had migraine), whereas in the control group, only 25% had headache (thereof 31% suffered from migraine). (nih.gov)
We performed a case-control study including 594 patients with CVT and 6278 controls. (nih.gov)
Controlled studies assessing the risk of cerebral venous thrombosis (CVT) in patients with cancer have not been performed. (nih.gov)
We assessed consecutive adult patients with CVT from three academic hospitals from 1987 to 2015, and control subjects from the Dutch MEGA study (Multiple Environmental and Genetic Assessment of risk factors for venous thrombosis). (nih.gov)
Conclusions Our study indicates that cancer is a strong risk factor for CVT, particularly within the first year of diagnosis and in patients with a hematological type of cancer. (nih.gov)
This was a case-control study evaluating 14,861 patients with incident cataract surgery and 14,861 matched controls. (nature.com)
We report a case-control study of sporadic cryptosporidiosis with genotyping of isolates from case-patients. (cdc.gov)
A postal questionnaire was completed by 427 patients and 427 controls. (cdc.gov)
From patients enrolled in the National Health Insurance program between 2005 and 2011, we identified 2 subsets: 5,394 cases, who had major depression in 1997-2004 and subsequently were diagnosed with dementia ( ICD-9-CM code 290) in 2005-2011, and 5,232 controls, who had major depression in 2005-2011 but no dementia history. (psychiatrist.com)
This study illustrated an involvement of oxidative DNA damage and changes in antioxidant defenses in BCC by conducting a case-control study (24 controls and 24 BCC patients) and assessing urinary 7,8-dihydro-8-oxo-2′-deoxyguanosine (8-oxo-dGuo), plasma antioxidant defenses including catalase (CAT), glutathione peroxidase (GPx), NQO1, and total superoxide dismutase (SOD) activities, and glutathione (GSH) levels before surgery and 1 month after surgery. (hindawi.com)
This study observed induction in urinary 8-oxo-dGuo, increased 8-oxo-dGuo expression, and reduced hOGG1 protein and mRNA in BCC tissues, decreased activities of CAT, GPx, and NQO1, but elevated SOD activities and GSH levels in BCC patients and reduction of all antioxidant proteins and genes studied in BCC tissues. (hindawi.com)
Case-control studies have previously reported that increased urinary 8-oxo-7,8-dihydroguanine (8-oxo-Gua) and 8-oxo-dGuo levels were detected in patients with metastatic head and neck cancer, breast cancer, and lung cancer [ 9 , 10 ]. (hindawi.com)
Cases were patients with dysphagia who entered the McNeill Dysphagia Therapy Program from September 2006 to October 2008. (speechbite.com)
Mental health in patients with asthma: A population-based case-control study. (iasp-pain.org)
OBJECTIVES: The aim of this study was to compare readmissions and death between sepsis and non-sepsis hospitalisations the first year after discharge, and to investigate what diagnoses patients with sepsis present with at readmission. (lu.se)
PARTICIPANTS: There were 447 patients hospitalised for sepsis (cases), and 541. (lu.se)
PARTICIPANTS: There were 447 patients hospitalised for sepsis (cases), and 541 hospitalised for other causes (control) identified through clinical chart review. (lu.se)
To better define risk factors associated with HBV transmission, we conducted a case-control study among patients admitted with acute hepatitis to an infectious disease hospital in Cairo. (who.int)
Univariate analysis revealed HBV case-patients were more likely to report providing injections to relatives or friends, injecting drug use, exposure to a household contact with hepatitis, exposure to invasive medical procedures and being in the military. (who.int)
1000 µg/L or a diagnosis of hemochromatosis or thalassemia - were 60% more likely to have an osteoporotic fracture during an up to 10-year follow-up than matched control patients, in a large study. (medscape.com)
Compared with control patients, those with iron overload had a roughly twofold increased risk of a vertebral fracture, as well as an increased risk of a hip or humerus fracture, but not a forearm fracture. (medscape.com)
The study shows that once patients have an iron overload of more than 1000 µg/L, we need to be doing regular checks for their BMD and figuring how to best minimize their fracture risk. (medscape.com)
They matched each iron overload patient with up to 10 control patients based on age, sex, year, and general practitioner, for a total of 198,037 control patients. (medscape.com)
During follow-up there were 777 fractures in the iron-overload patients (9.61 fractures per 1000 patient-years) and 4344 fractures in the control group (4.68 fractures per 1000 patient-years). (medscape.com)
The present study identified that the risks of neonatal tetanus in the studied neonatal patients from Wenzhou were associated with untrained birth attendant, unsterile method of delivery and poor cord hygiene. (who.int)
This study aimed to investigate the levels of organochlorine pesticides (OCPs) in the serum of Alzheimer's disease (AD) patients . (bvsalud.org)
The mean OCP level of OCPs in AD patients was significantly higher than in the control group . (bvsalud.org)
However, the patients ' mean levels of TAC, PC, MDA and activity of SOD, GPx, PON1 and AChE were significantly lower than controls. (bvsalud.org)

citation needed] Porta's Dictionary of Epidemiology defines the case-control study as: an observational epidemiological study of persons with the disease (or another outcome variable) of interest and a suitable control group of persons without the disease (comparison group, reference group). (wikipedia.org)
The evolution of resource allocation for prevention and control of TB in health department funding reflects the changing epidemiology of TB, new treatment guidelines, and the emergence of indicators to monitor program performance-all taking place in the context of flat funding for TB programs. (cdc.gov)
The study was designed to investigate the etiology and epidemiology of sporadic cryptosporidiosis. (cdc.gov)

citation needed] The case-control study is frequently contrasted with cohort studies, wherein exposed and unexposed subjects are observed until they develop an outcome of interest. (wikipedia.org)
However, ers, butchers and motorized vehicle drivers are in a situation of the majority of associations were not shown to be statistically risk for this type of tumor, irrespective of age, alcohol and to- significant, and cohort studies did not control the confounding bacco consumption. (bvsalud.org)

Controls should come from the same population as the cases, and their selection should be independent of the exposures of interest. (wikipedia.org)
A retrospective study, on the other hand, looks backwards and examines exposures to suspected risk or protection factors in relation to an outcome that is established at the start of the study. (wikipedia.org)
Of the 31 exposures sustained by case-HCWs, 29 (94%) were needlesticks (all with hollow needles) and two (7%) involved other sharp objects. (cdc.gov)
A total of 60 cases and 120 controls were interviewed about various exposures within 6 months prior to admission. (who.int)
A study that compares exposures of people who have a disease or condition (cases) with people who do not have the disease or condition (controls). (cdc.gov)
Exposures that are more common among the cases may be considered as possible risk factors for the disease. (cdc.gov)

The prevalence of positive drivers in the driving population was estimated by standardising controls on drivers not at fault who were involved in crashes resulting in slight injuries. (bmj.com)
This study's objectives were to compare the prevalence of mental disorders and consumption of psychiatric medications in asthmatic subjects with non-asthmatic controls and identify risk factors associated with psychiatric conditions. (iasp-pain.org)

5 A systematic review of 22 interventions designed to reduce home injuries called for more observational studies to better understand the relation between hazards and injuries. (cmaj.ca)
A few observational studies have provided evidence for a direct relation between specific hazards and specific injuries. (cmaj.ca)
8 Finally, findings of 3 observational studies provided evidence for an association between smoke detector use and reduced fire-related injuries. (cmaj.ca)
As observational studies , they can suggest associations between an exposure and a disease, but they cannot prove without a doubt that the exposure causes the disease. (scribbr.com)
Observational studies have shown a possible association of uterine prolapse with uterine retroversion. (medscape.com)

It s central core is a finely detailed empirical case study that offers insights into the meaning of educational change by coming to an understanding of the ideologies, values, and attitudes of key participants a group of teachers who reveal why they act the way they do when faced with management directives to makes changes to their professional working practices. (hamptonpress.com)
Participants A total of 446 individuals consented to participate in the study (150 cases and 296 controls). (bmj.com)
This study aimed to verify and compare the QoL between individuals with (cases) and without DFD but with routine dental needs (controls), totalizing 106 participants. (bvsalud.org)

Techdirt's think tank, the Copia Institute, is working with the Trust & Safety Professional Association and its sister organization, the Trust & Safety Foundation , to produce an ongoing series of case studies about content moderation decisions. (techdirt.com)
These case studies are presented in a neutral fashion, not aiming to criticize or applaud any particular decision, but to highlight the many different challenges that content moderators face and the tradeoffs they result in. (techdirt.com)

Controls entered a traditional swallowing therapy program augmented with sEMG biofeedback (traditional therapy with biofeedback group) from February 1994 to June 1999. (speechbite.com)

inclusion of sick people is sometimes appropriate, as the control group should represent those at risk of becoming a case. (wikipedia.org)
A prospective study watches for outcomes, such as the development of a disease, during the study period and relates this to other factors such as suspected risk or protection factor(s). (wikipedia.org)
Many valuable case-control studies, such as Lane and Claypon's 1926 investigation of risk factors for breast cancer, were retrospective investigations. (wikipedia.org)
In retrospective studies the odds ratio provides an estimate of relative risk. (wikipedia.org)
CDC provides financial and technical assistance to state, local, and territorial health and educational agencies to implement high-impact programs to prevent and control youth risk behaviors, HIV/AIDS, viral hepatitis, STDs, and tuberculosis (TB). (cdc.gov)
There were many positive health, business and risk management results from the implementation of the engineering controls. (aiha.org)
In a recent case-control study of antenatal and intrapartum risk factors for cerebral palsy in very preterm babies we found associations between chorioamnionitis, prolonged rupture of membranes, and maternal infection and an increased risk of cerebral palsy. (bmj.com)
One of those is case temperature to ensure the unit doesn't overheat, cause burns to the touch, or otherwise be a heat hazard or fire risk. (acroname.com)
However, few studies have examined the relation between the presence of hazards and the risk of injuries upon which these interventions depend. (cmaj.ca)
Occupational risk factors of lung cancer in a French case-control study. (bmj.com)
Risk factors for serious suicidal behavior among older adults were examined in a case control study of 53 adults aged 55 & older who died by suicide or made medically serious suicide attempts & who were compared with 269 randomly selected comparison subjects. (suicideinfo.ca)
Conclusions In this study, we show that fatalities due to residential fires in Sweden are associated with some but not all of previously published sociodemographic risk factors. (bmj.com)
The aim of the study was to assess the effect of residential radon exposure on the risk of lung cancer in never-smokers and to ascertain if environmental tobacco smoke modifies the effect of residential radon. (ersjournals.com)
Although prospective studies indicate that the estimated risk for HIV infection after a percutaneous exposure to HIV-infected blood is approximately 0.3% (1,2), factors that influence this risk have not been determined. (cdc.gov)
and 532 were part of a ing with a partner may be raised as possible risk factors for the control group, paired by age, gender, place and smoking habit, development of cancer of the mouth and oropharynx. (bvsalud.org)
ynx (OSCC)11 Workers in mechanical and industrial workshops, Studies have analyzed the relationship between occupation- such as metal works and petrochemical plants, as well as paint- al exposure and risk for cancer of the oral cavity2-10. (bvsalud.org)
This study aimed to determine risk factors associated with neonatal tetanus in Wenzhou, China. (who.int)
Medical records of neonatal tetanus cases in 17 hospitals over an 8-year period (2005-2012) were reviewed for potential risk factors. (who.int)
The potential risk factors of the neonatal tetanus group were compared with the control group using univariate analysis. (who.int)
Zhou Z-M, Shi H-Y, Xu Y, Hu C-S, Zhang X-M, Zhao L-N, Xie Z-K. Risk factors of neonatal tetanus in Wenzhou, China: a case-control study. (who.int)

One of the main goals of the refurbishment was to improve the overall preservation environment to keep precious artifacts in mint condition by controlling air flow and humidity through building automation. (kmccontrols.com)

Mauritius implemented a series of tobacco control measures from 2009 to 2012, including tobacco tax increases. (who.int)
Method The impact of tobacco control measures on different income groups was analysed by contrasting household tobacco expenditures reported in 2006-2007 and 2012 household expenditure surveys. (who.int)
These increases were accompanied by numerous non-price tobacco control measures. (who.int)
Conclusions These results suggest that tobacco control policies, including sizeable tax increases, were progressive in their impact. (who.int)
We conclude that tobacco use increases poverty and inequality, but stronger tobacco control policies can mitigate the impact of tobacco use on impoverishment. (who.int)
Disclaimer: The information and views set out on this website are those of the author(s) and do not necessarily reflect the opinion of the Parties to the WHO Framework Convention on Tobacco Control (WHO FCTC), the Parties to the Protocol to Eliminate Illicit Trade in Tobacco Products, or the Secretariat of the WHO FCTC. (who.int)

An observational study is a study in which subjects are not randomized to the exposed or unexposed groups, rather the subjects are observed in order to determine both their exposure and their outcome status and the exposure status is thus not determined by the researcher. (wikipedia.org)
However, because the difference between the cases and the controls will be smaller, this results in a lower power to detect an exposure effect. (wikipedia.org)
Case-HCWs had a documented occupational percutaneous exposure to HIV-infected blood (i.e., a needlestick or a cut with a sharp object {e.g., scalpel or lancet}), HIV seroconversion temporally associated with the exposure, and no other concurrent exposure to HIV. (cdc.gov)
Control-HCWs had a documented occupational percutaneous exposure to HIV-infected blood and were HIV seronegative at the time of exposure and at least 6 months later. (cdc.gov)
The study included all case-HCWs reported in the United States whose exposure occurred during January 1988-August 1994 and all control-HCWs exposed after January 1988 whose 6-month follow-up evaluation was completed as of August 1994. (cdc.gov)
Pesticide Exposure and Alzheimer's Disease: A Case-control Study. (bvsalud.org)

In this large retrospective observational study, we examined the association between alcohol use patterns and incident cataract surgery using the data of the Inpatient Clinico-Occupational Database of Rosai Hospital Group (ICOD-R), a nationwide multicentre hospital-based inpatient registry database in Japan. (nature.com)

The magnitude of these effects, measured with an odds-ratio meta-analysis suggested that the presence of these variables is positively associated with solved cases. (grin.com)

The study usually involves taking a cohort of subjects and watching them over a long period. (wikipedia.org)
The 351 case subjects were children aged 7 years and less who presented with injuries from falls, burns or scalds, ingestions or choking. (cmaj.ca)
The matched control subjects were children who presented during the same period with acute non-injury-related conditions. (cmaj.ca)
Control subjects, were recruited from their relatives who live with the patient. (medsci.org)

The aim of this study was to investigate the relationship between pineal cysts and headache and to determine the relevance of the cyst size in this context. (nih.gov)
Objectives This study aimed to investigate the association between sociodemographic factors and residential fire fatalities in Sweden. (bmj.com)
1. Is the use of elements of a structured approach to investigate homicides associated with more solved cases? (grin.com)

The case-control is a type of epidemiological observational study. (wikipedia.org)
citation needed] As with any epidemiological study, greater numbers in the study will increase the power of the study. (wikipedia.org)

The secondary outcomes were the presence (or not) of tube feeding, physiologic change on instrumental swallowing studies, and occurrence of aspiration on posttreatment assessment. (speechbite.com)
A systematic review found that the incidence of complications, such as premature delivery, need for cesarean section, and poor perinatal outcomes, was lower among cases of uterine incarceration that were diagnosed before 20 weeks of gestation. (medscape.com)

A systematic review of interventions to increase smoke detector use identified only 2 of 29 studies in which both smoke detector use and burn-related injuries were measured. (cmaj.ca)
INTERVENTIONS: Cases were individually matched to 2 separate controls for age, sex, and primary medical diagnosis (N=24). (speechbite.com)

10% of all cases of Cryptosporidium infection ( 2 , 3 ), although a further proportion of cases will likely be associated with undetected outbreaks ( 4 ). (cdc.gov)
The effectiveness of insecticide-impregnated bed nets in reducing cases of malaria infection: a meta-analysis of published results. (ajtmh.org)
Case-HCWs were identified through reports to national surveillance systems for occupationally acquired HIV infection operated by CDC, in cooperation with state and local health departments (United States), the National Public Health Network (Reseau National de Sante Publique) (France), and the Public Health Laboratory Service Communicable Disease Surveillance Center (United Kingdom). (cdc.gov)
Efforts should be made to implement strict infection control standards in Egypt. (who.int)

For example, in a study trying to show that people who smoke (the attribute) are more likely to be diagnosed with lung cancer (the outcome), the cases would be persons with lung cancer, the controls would be persons without lung cancer (not necessarily healthy), and some of each group would be smokers. (wikipedia.org)
A case-control study of 1625 histologically confirmed cases of lung cancer and 3091 controls matched for sex, age, hospital admission, and interviewer was conducted in France between 1976 and 1980. (bmj.com)
The results presented concern the effects of different occupations on the occurrence of lung cancer among 1334 male cases and 2409 matched controls. (bmj.com)
Cases had an anatomopathologically confirmed primary lung cancer and controls were recruited from individuals undergoing minor, non-oncological surgery. (ersjournals.com)

Design Population based case-control study. (bmj.com)
We investigated utilization using Swedish registry data and a case-control design. (psychiatrist.com)
A case-control research design was used in this study with the aim of identifying the factors which differentiate solved and unsolved non-domestic homicides in Trinidad and Tobago for the seven year period 2008-2014. (grin.com)
DESIGN: Matched case-control study. (speechbite.com)
As we used a retrospective case-control approach, no temporal relationship could be established and the study design did not allow proof of causation. (bmj.com)

A case-control study was conducted in the North West of England and Wales from February 2001 to May 2002. (cdc.gov)

Objective The objective of this study was to identify determinants for tuberculosis (TB) among HIV-infected adults in Northwest Ethiopia. (bmj.com)
Cases were HIV-infected adults diagnosed with active TB, and controls were HIV-infected adults without active TB. (bmj.com)
This study reaffirmed that HAART and IPT are some of the best strategies for reducing TB occurrence in HIV-infected adults. (bmj.com)
This study reaffirmed that highly active antiretroviral therapy and isoniazid therapy are some of the best strategies for reducing TB among HIV-infected adults in resource-limited settings. (bmj.com)

The aim of our case-control study was to determine whether the ADHD boys (118) have different genotype and alelic frequencies of examined polymorphisms of the above mentioned genes compared to controls (153). (muni.cz)

This often results in loss of efficiency of case-control designs in terms of cost-saving or time-saving of the studies. (projecteuclid.org)
Results We included 594 cases and 6278 controls. (nih.gov)
Results 681 drivers were positive for cannabis (cases 8.8%, controls 2.8%), including 285 with an illegal blood alcohol concentration (0.5 g/l). (bmj.com)
Consequently those results were discarded as they provided no useful insight into the homicide cases. (grin.com)
Results of search for 'su:{Case-control studies. (who.int)

These rare cases can then present at or about term with acute signs and symptoms of maternal or fetal distress, necessitating prompt surgical intervention. (medscape.com)

Objective: This study aimed to verify and compare the impacts of and differences in QoL in individuals with and without DFD. (bvsalud.org)

Data points for CO were routinely collected and administrative controls were implemented as necessary. (aiha.org)
We pursued a 1:2 matching of a control group by collecting data of PwMS without history of previous COVID-19 (MS-NCOVID, n = 292). (springer.com)
System integrator case studies show the benefits of in-depth data analysis. (controleng.com)
Data warehousing provides an opportunity to gather, integrate, and analyze industrial data to determine new opportunities, explained Matt Ruth, president of Avanceon, explain case studies and answer questions about data analytics in the April 21, 2022, webcast, "Just enough industrial data analysis? (controleng.com)
Understand what two case studies can teach about industrial data analysis. (controleng.com)
Compare and contrast differences in a large-scale, multi-plant data analytics project and a local process control data analytics effort. (controleng.com)
A pair of case studies provide instructive examples about industrial data analysis. (controleng.com)
A local process control data analytics effort involves PID loop tuning modifications. (controleng.com)
1 , 2 To further study medical and psychiatric morbidity in BED, we investigated prescription medication utilization before and after BED diagnosis using Swedish national register data. (psychiatrist.com)
The data set for this study comprised all the non-domestic homicides reported to the Trinidad and Tobago Police Service from January 1st 2008 to December 31st 2014 was analyzed against 21 investigative variables and 16 solvability factors. (grin.com)
Control-HCWs were identified through reports to a passive surveillance project maintained by CDC since 1983 that includes data from approximately 300 health-care institutions in the United States (1). (cdc.gov)

If a larger proportion of the cases smoke than the controls, that suggests, but does not conclusively show, that the hypothesis is valid. (wikipedia.org)
Cases did not differ from controls in the mean proportion of home hazards. (cmaj.ca)

Logistic regression analysis revealed that the untrained birth attendants was significantly higher in the tetanus group than the control group (OR=61.39, 95% CI 1.60, 354.33). (who.int)

Preventive measures directed to the pregnant floating population may reduce the occurrence of neonatal tetanus in the studied area. (who.int)

Prior to 2005, CDC's method of allocation of TB funds to state and city health departments for prevention and control of TB was based on the burden of TB disease among jurisdictions that had experienced the largest increases in case counts during the TB resurgence that took place from 1985-1993. (cdc.gov)
The study identified determinants for TB that will be important for prioritising TB screening, treatment, prevention and control. (bmj.com)
The advent of HIV was a massive setback for the prevention and control of tuberculosis (TB). (bmj.com)

SEARCH : a computer package to assist the statistical analysis of case-control studies / Gary J. Macfarlane, Peter Boyle, Patrick Maisonneuve. (who.int)

Cases were younger (median 42 vs. 48 years), more often female (68% vs. 54%) and more often used oral contraceptives (55% vs. 23%) than controls. (nih.gov)

For example, the five-year average was changed to a three-year average so that funding levels can rapidly reflect changes in case burden. (cdc.gov)
This is the first large population study on this topic," although there have been a few case reports, Burden explained to Medscape Medical News in an interview. (medscape.com)

Singleton babies born between 1984 and 1990 at less than 32 weeks' gestation who survived to discharge from hospital: 59 with cerebral palsy and 234 randomly selected controls without cerebral palsy. (bmj.com)

Prospective studies usually have fewer potential sources of bias and confounding than retrospective studies. (wikipedia.org)
Most sources of error due to confounding and bias are more common in retrospective studies than in prospective studies. (wikipedia.org)

We included all fatal crashes resulting in immediate death (including pedestrian fatalities) in the study. (bmj.com)
There is a lack of consideration of the interrelation between sociodemographic factors and fire fatalities and there is a lack of high quality large-scale studies. (bmj.com)

In many situations, it is much easier to recruit controls than to find cases. (wikipedia.org)
Retrospective analyses do not provide the opportunity to evaluate the costs and benefits of alternative hazard control solutions, but even in negative cost situations IH value can be demonstrated. (aiha.org)

Like our MTM final-assembly test setup outlined above, we deployed the Evo Thermal sensor to monitor the PCB and case temperature on the USBHub3c during functional and validation testing. (acroname.com)
This allows us to push the device under test to its absolute thermal limit while keeping close control over the PCB and case temperature in an automated fashion. (acroname.com)
This saved our team time and gave us confidence that we could pass compliance testing for case temperature and overall unit temperature. (acroname.com)
If this is the case, we look for an insulated enclosure that can provide temperature control. (safe-t-cover.com)

Case- and control-HCWs reported in the United States before 1988 were excluded from the analysis because information on some variables was not routinely collected and because postexposure use of ZDV was infrequent before 1988 (1). (cdc.gov)

The proportional distributions of antidepressant use and comorbidities in the dementia case and nondementia control groups were compared. (psychiatrist.com)

When encountered with the challenge of updating the HVAC controls of this famous site, the National Park Service enlisted the services of Encon Mechanical Corporation, a KMC authorized representative. (kmccontrols.com)
Through the use of products from KMC Controls, we were able to offer an affordable solution to the HVAC control system," stated David Indursky, President of Encon Mechanical. (kmccontrols.com)
Today visitors will see Thomas Edison's home just as these historical figures, thanks for preservation efforts of the National Park Service, Encon Mechanical, and KMC Controls. (kmccontrols.com)

In this case, the heat-treat operation was an ultimate financial negative but a health, morale, and productivity positive. (aiha.org)
The study received ethical approval from the Multi-centre Research Ethics Committee, relevant local Research Ethics Committees, and the Public Health Laboratory Service Research Ethics Committee. (cdc.gov)
A population-based retrospective case-control analysis was conducted using the Taiwan National Health Insurance Research Database. (psychiatrist.com)
Jiménez-Cebrián AM, López-López D, Becerro-de-Bengoa-Vallejo R, Losa-Iglesias ME, Navarro-Flores E, San-Antolín M, Calvo-Lobo C, Palomo-López P. Foot health-related quality of life in hemophiliacs: A case-control study. (medsci.org)
Malaria control reinvented: health sector reform and strategy development in Colombia. (ajtmh.org)
The study included 31 case-HCWs (23 from the United States, five from France, and three from the United Kingdom) and 679 control-HCWs (who were from 190 of the reporting health-care institutions). (cdc.gov)

The following case study involves a company with operations in industrial manufacturing. (aiha.org)

A population based case-control study of agricultural injuries in children. (bmj.com)

Controls can carry the same disease as the experimental group, but of another grade/severity, therefore being different from the outcome of interest. (wikipedia.org)
Any one of a group of diseases that occur when cells in the body become abnormal and grow or multiply out of control. (cdc.gov)

A ventilation system with variable-speed fans controlled by real-time direct reading electrochemical sensors for CO was installed in the heat treating facility. (aiha.org)
Would a motion control system help reduce energy losses? (uoregon.edu)
This simple setup is now a core part of our quality control system for our MTM-Load modules. (acroname.com)
Embedded Access Control System with Facial Recognition Our engineering team successfully completed the proof of concept phase and built and tested the MVP. (promwad.com)
The controls used in this system assures the proper PPM is maintained in the water supply at all times. (safe-t-cover.com)
Integration was the primary goal of the new controls system. (kmccontrols.com)
The facility operators were pleased to see that the KMC Controls system, with its user interface, resulted in large energy savings and tighter control over the building operations. (kmccontrols.com)
In addition, of course, the new control system contributes to a positive shopping experience while maximizes efficiency by providing just the right amount of heating or cooling to keep the building comfortable for customers and employees. (kmccontrols.com)
According to Brandon Town Center management: "We like the payback of the controls system that we have received through energy savings. (kmccontrols.com)
The updated HVAC control system includes KMC duct smoke detectors, vital to the security of the items on display in the historic home. (kmccontrols.com)

In 2020, ARC reportedly caused 78.8 million cases of moderate and severe visual impairment and 15.2 million cases of blindness 1 . (nature.com)

guidelines and planning preventive actions for the control of cancer. (bvsalud.org)

Anatomy3

Organisms1

Diseases48

Chemicals and Drugs15

Analytical, Diagnostic and Therapeutic Techniques and Equipment59

Psychiatry and Psychology6

Phenomena and Processes32

Disciplines and Occupations2

Anthropology, Education, Sociology and Social Phenomena5

Technology, Industry, Agriculture1

Information Science9

Named Groups6

Health Care63

Geographicals22

Centers for Diseas1

Multicentre case-contr2

Retrospective Case-Contr2

Methods4

Patients29

Epidemiology3

Cohort studies2

Exposures6

Prevalence2

Observational studies5

Participants3

Content2

19991

Risk20

Main1

Tobacco Control6

Exposure6

Cataract1

Odds ratio1

Subjects4

Investigate3

Epidemiological2

Outcomes2

Interventions2

Infection4

Lung cancer4

Design5

20021

Adults4

Genes1

Results5

Acute1

Objective1

Data11

Proportion2

Significantly1

Occurrence1

Prevention and control3

Search1

Oral1

Burden2

Cerebral1

Prospective studies2

Fatalities2

Situations2

Temperature4

Routinely1

Comorbidities1

Mechanical3

Health6

Involves1

Population based case-contr1

Group2

System10

20201

Preventive1