case control

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case control

A form of research in which patients with a disease are compared with closely matched individuals who do not have the disease. It is used to uncover risk factors or exposures that may produce illness.
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References in periodicals archive ?
Mini Kamboj, M.D., from the Memorial Sloan Kettering Cancer Center in New York City, and colleagues conducted a retrospective cohort study with a nested case-control analysis to examine the risk for CDI among older adults with cancer.
A case control study with the sample size of 18,037 found a positive association between hormonal replacement therapy with the incidence of meningioma (CI 2.2, 95% CI 1.9-2.6 interval).2 Conversely, another case-control study done on a cohort of 10,745 individuals did not report any increased risk of meningioma among females using oral contraceptive (CI 1.15 95% CI 0.67-1.98)or low-dose CPA (CI 0.99 95% CI 0.73-1.35).
Proton pump inhibitors I (PPIs) may be associated with decreases in serum magnesium laboratory values to below 1.6 to 1.8 mg/dL, especially when used concurrently with diuretics and loop diuretics (strength of recommendation [SOR]: C, disease-oriented outcomes based on cohort, case-control, and cross-sectional studies).
The study, conducted jointly between the University of Louisville School of Medicine and Pfizer, was designed as a test-negative case-control study and provides evidence supporting the findings of the landmark randomized, controlled Community-Acquired Pneumonia Immunization Trial in Adults.
The case-control study was conducted at a tertiary care hospital located in Bengaluru for 1 year after obtaining Institutional Ethical Committee Clearance.
Methods: This was a case-control study, including 150 patients and 50 age-and gender-matched controls visiting dermatology department.
Preeclampsia prevention: a case-control study nested in the cohort.
The World Journal of Gastroenterology reported the results of a case-control study and meta-analysis which both found a lower risk of colorectal adenoma (polyps) in association with higher serum vitamin D levels.
Atherothrombotic risk factors and premature coronary heart disease in India: a case-control study.