A case–control study (also known as case–referent study) is a type of observational study in which two existing groups differing in outcome are identified...

A nested case–control (NCC) study is a variation of a case–control study in which cases and controls are drawn from the population in a fully enumerated...

analytic studies could be done to investigate possible causal factors. These can include case-control studies or prospective studies. A case-control study would...

in retrospective cohort studies, but only the odds ratio can be used in case-control studies. Although most case-control studies are retrospective, they...

each case. The process for selecting and matching cases is identical to a normal case control study. An example of a nested case-control study is Inflammatory...

RR or the ARR, but do allow for the computation of the OR, as in case-control studies, as explained below. On the other hand, if one of the properties...

cross-sectional studies differ from case-control studies in that they aim to provide data on the entire population under study, whereas case-control studies typically...

Descriptive Case report Case series Population study 2. Analytical Cohort study Prospective cohort Retrospective cohort Time series study Case-control study Nested...

unethical or logistically impossible in the surgical setting, case-controlled studies will be replaced. Besides being participants in a clinical trial...

cohort studies are typically ranked higher in the hierarchy of evidence than retrospective cohort studies and can be more expensive than a case–control study...

a more comprehensive study of the cases. Desire to improve the cost-efficiency of studies led to the use of case-control studies. Other methods later...

descriptive study design; unlike studies that employ an analytic design (e.g. cohort studies, case-control studies or randomized controlled trials), case series...

especially among youth. This study however found that overall suicide rates did not change significantly. A case-control study conducted in New Zealand found...

overlapping the threshold for this effect) Cohort studies Case–control studies Cross-sectional surveys Case reports A protocol suggested by Saunders et al...

epidemiological studies and interventions including clinical, case-control and cohort studies. Nutritional epidemiological methods have been developed to study the...

"Recent upper respiratory tract infection and pityriasis rosea: a case-control study of 249 matched pairs". British Journal of Dermatology. 108 (5): 587–591...

67-year-old "control" person. In case-control studies, matched variables most often are the age and sex. Drawback: Case-control studies are feasible only...

Case Study 01 (stylized in all caps) is the second studio album by Canadian singer and songwriter Daniel Caesar, released on June 28, 2019, through Golden...

patients cured. In this case, the treatment is inferred to have no effect when the treatment group and the negative control produce the same results...

conducted a case-control study in Phoenix, Arizona, and found the first statistically significant link between aspirin use and Reye syndrome. Studies in Ohio...

Statistics Case mix Cohort study Generational cohort National Longitudinal Surveys Prospective cohort study "Advantages and Disadvantages of Cohort Studies". sphweb...

gall bladder mucoceles and hyperlipidaemia in dogs: A retrospective case control study". The Veterinary Journal. 199 (1). Elsevier BV: 76–79. doi:10.1016/j...

population-based case-control study in Italy found a non-significant positive association between drinking and CML. Hairy cell leukemia A study concluded, "There...

PMID 11009518. Baron R (2004). "Post-herpetic neuralgia case study: optimizing pain control". Eur. J. Neurol. 11 (Suppl 1): 3–11. doi:10.1111/j.1471-0552...

"Epidemiology and Comorbidities of Excoriation Disorder: A Retrospective Case-Control Study". Journal of Clinical Medicine. 9 (9): 2703. doi:10.3390/jcm9092703...

accelerated immunisation programme and sudden unexpected death in infancy: case-control study". BMJ. 322 (7290): 822. doi:10.1136/bmj.322.7290.822. PMC 30557. PMID 11290634...

contrast conspicuity for the motorcycle and rider." A New Zealand case-control study found that the population attributable risks were 33% for wearing...

maternal characteristics and stillbirth risk: a population-based case-control study. Acta Obstetricia et Gynecologica Scandinavica [serial online]. October...

causative relationship could neither be proven nor disproven. A 2007 case-control study using archived blood samples found that breast cancer risk was increased...

Placebo-controlled studies are a way of testing a medical therapy in which, in addition to a group of subjects that receives the treatment to be evaluated...