Controls case control studies. Medical search. Frequent questions

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

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)
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)
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)
A case-control retrospective review was undertaken at a community hospital with a dedicated neurosurgery and otolaryngology team using minimally invasive surgical techniques, total intravenous anesthesia (TIVA) and early post-operative imaging protocols. (plos.org)
A population-based retrospective case-control analysis was conducted using the Taiwan National Health Insurance Research Database. (psychiatrist.com)
Pathologic ventricular hypertrophy in the offspring of diabetic mothers: a retrospective study. (smw.ch)

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 AND RESULTS: All 572 cases of CHD reported in the Eurocat Registry of Vaud-Switzerland between 1.5.2003 and 31.12.2008 were analysed and compared with the cases in our clinical database. (smw.ch)
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)

Two hundred eighty-four histologically confirmed patients of bronchogenic carcinoma and 852 controls matched for age, sex, and socioeconomic status were interviewed according to a predesigned questionnaire. (nih.gov)
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)

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)
Observational studies have shown a possible association of uterine prolapse with uterine retroversion. (medscape.com)

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)
AIMS: This study evaluated the evolution of the prenatal diagnosis of congenital heart disease (CHD) between 2003 and 2008 and its repercussion for the CHD prevalence rate at birth in a well-defined population (Canton of Vaud, Switzerland). (smw.ch)
In this group, 85.7% of cases resulted in a termination of pregnancy, and there was a consequent 75% reduction in the prevalence of severe major cardiac malformation at birth. (smw.ch)
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)

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)
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)
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)
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)
The effectiveness of insecticide-impregnated bed nets in reducing cases of malaria infection: a meta-analysis of published results. (ajtmh.org)

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

The matched control subjects were children who presented during the same period with acute non-injury-related conditions. (cmaj.ca)
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)
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)

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)

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)
Occupational risk factors of lung cancer in a French case-control study. (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 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)

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)
This was a case-control study evaluating 14,861 patients with incident cataract surgery and 14,861 matched controls. (nature.com)
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)
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)
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)
Mental health in patients with asthma: A population-based case-control study. (iasp-pain.org)
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)

The potential risk factors of the neonatal tetanus group were compared with the control group using univariate analysis. (who.int)

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)
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)
Pesticide Exposure and Alzheimer's Disease: A Case-control Study. (bvsalud.org)

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)

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)

We included all fatal crashes resulting in immediate death (including pedestrian fatalities) in the study. (bmj.com)
Objectives This study aimed to investigate the association between sociodemographic factors and residential fire fatalities in Sweden. (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)
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 study was designed to investigate the etiology and epidemiology of sporadic cryptosporidiosis. (cdc.gov)

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

Data points for CO were routinely collected and administrative controls were implemented as necessary. (aiha.org)
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)

There were many positive health, business and risk management results from the implementation of the engineering controls. (aiha.org)
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)

Cases did not differ from controls in the mean proportion of home hazards. (cmaj.ca)

Design Population based case-control study. (bmj.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)

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)
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)
We investigated utilization using Swedish registry data and a case-control design. (psychiatrist.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)

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)
Four controls per case were randomly matched by gender and age. (bmj.com)

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)

Individuals with BED had increased utilization of psychiatric and nonpsychiatric medications compared with matched controls. (psychiatrist.com)

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)
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)
In this case, the heat-treat operation was an ultimate financial negative but a health, morale, and productivity positive. (aiha.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)
Malaria control reinvented: health sector reform and strategy development in Colombia. (ajtmh.org)

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)

Prospective diagnosis of 1,006 consecutive cases of congenital heart disease in the fetus. (smw.ch)

One, from New Mexico, found an association with drinking water, although cases may possibly have represented an undetected outbreak ( 7 ). (cdc.gov)
The other study, from Australia, found a borderline association with drinking bottled water. (cdc.gov)
Above all, because of the limited number of studies that examined the association between ARC and alcohol consumption, studies in different ethnicities remain warranted 4 . (nature.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)

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)

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)

Most uncommonly, cases of chronic uterine retroversion/incarceration develop uterine sacculation. (medscape.com)

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)

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)
However, few studies have examined the relation between the presence of hazards and the risk of injuries upon which these interventions depend. (cmaj.ca)
Only a minority of randomized controlled trials (RCTs) conducted to date have supported the relation between reduction in home hazards and reduction in injuries. (cmaj.ca)
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)

10 Recent studies have highlighted the importance of focusing analyses on the detection of Δ 9 tetrahydrocannabinol in the blood. (bmj.com)
CONCLUSION: This study shows that the prenatal detection rate for CHD increased in a well-defined population over the study period. (smw.ch)

For similar reasons, analysis was limited to case-HCWs reported in France since 1990 and in the United Kingdom since 1989. (cdc.gov)

Experimental studies have shown that consumption of cannabis diminishes the faculties needed for vehicle driving. (bmj.com)
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)

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)
The controls used in this system assures the proper PPM is maintained in the water supply at all times. (safe-t-cover.com)

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)
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)

When all cryptosporidiosis cases were analyzed, three variables were strongly associated with illness: travel outside the United Kingdom, contact with another person with diarrhea, and touching cattle. (cdc.gov)

An index date was derived for each control, which was the date of diagnosis of BED in the corresponding case. (psychiatrist.com)
Cases also had higher odds of prescription use than controls across most categories within 12 months after diagnosis. (psychiatrist.com)

However, in the absence of new funding, CDC could not increase support to jurisdictions that had begun to report larger numbers of cases. (cdc.gov)
We report a large case-control study conducted in the North West Region of England and in Wales. (cdc.gov)

In one study, the introduction of child-resistant containers was associated with a reduction in the number of deaths caused by ingestion of prescription drugs. (cmaj.ca)

Cases were identified from Riksät and Stepwise longitudinal registers and were individuals diagnosed with BED per DSM-IV-TR criteria between July 1, 2006, and December 31, 2009, at eating disorder clinics (n = 238, 96% female, mean age = 22.8 years). (psychiatrist.com)

All the drivers involved were taken as soon as possible to the hospital, under the control of the police, for compulsory urine testing to detect four major drug families (cannabis, amphetamines, opiates, and cocaine). (bmj.com)
We conducted this case-control study using records from 5 pediatric hospital emergency departments for the 2-year period 1995-1996. (cmaj.ca)

Anatomy2

Organisms1

Diseases39

Chemicals and Drugs10

Analytical, Diagnostic and Therapeutic Techniques and Equipment56

Psychiatry and Psychology7

Phenomena and Processes30

Disciplines and Occupations3

Anthropology, Education, Sociology and Social Phenomena6

Technology, Industry, Agriculture1

Information Science6

Named Groups5

Health Care58

Geographicals21

Centers for Diseas1

Retrospective6

Methods3

Histologically confirmed2

Observational4

Exposures4

Prevalence4

Infection6

20021

Acute3

Risks1

Occupational3

Genes2

Patients11

Univariate1

Exposure3

Logistic regression1

Subjects1

Fatalities4

Designed to investigate1

Neonatal4

Routinely2

Results2

Differ1

Population based case-contr1

20201

Preventive1

Data9

Randomly2

Prevention1

Psychiatric1

Health5

Automation1

Prospective1

Association3

Mechanical3

Participants1

Burden1

Chronic1

Sensors1

Injuries4

Detection2

Analysis1

Consumption2

System6

Group2

Illness1

Diagnosis2

Report2

Introduction1

Years1

Hospital2