case-control study


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Related to case-control study: cross-sectional study, Cohort study

case-con·trol study

(kās-kŏn-trōl stŭdē)
Epidemiologic method that begins by identifying people with a disease or condition of interest and compares their past history of exposure to identified or suspected risk factors with the past history of similar exposures among those who resemble the cases but do not have the disease or condition of interest.
References in periodicals archive ?
Iron Deficiency Anemia in Children with Febrile Seizure: A Case-Control Study. Iran J Chil Neurol 2014; 8(2): 38-44.
In a subgroup analysis of the second case-control study, PPI users who also used diuretics had an increased risk of hypomagnesemia (adjusted OR=1.7; 95% CI, 1.12.7) compared with patients who weren't taking diuretics (adjusted OR=1.3; 95% CI, 0.8-1.9).
Researchers conducted a matched case-control study that included 112 Korean men and women with colorectal adenomas and 112 controls who underwent colonoscopy between August 2011 and September 2012.
To investigate this possibility, researchers in Taiwan performed a nationwide population-based case-control study using information from a health insurance database covering virtually 100% of the country's population.
Li and coinvestigators conducted a nested case-control study looking at the use of bisphosphonates for the prevention of CBC.
For the nested case-control study, researchers compared 1,102 women aged 20-49 years who had been diagnosed with invasive breast cancer from 1990 to 2009 with 21, 755 controls sampled from the same health care delivery system, matched for age, year, enrollment length, and medical chart availability.
In one recent case-control study of potential links between autism and air pollution, researchers found that autistic children were more likely than control children to have been exposed to the highest quartile of air pollution during gestation and the first year of life.
Assessing lead time of selected ovarian cancer biomarkers: a nested case-control study. J Natl Cancer Inst 2010;102:26-38.
In the report, "Sodium Azide Poisoning at a Restaurant--Dallas County, Texas, 2010," on page 459, the first paragraph under the subheading, "Case-Control Study," should read as follows:
In a case-control study, we used Rutter Children's Behavior Questionnaire for teacher to measure behavior status of children in left-behind group and control group.