Case Control Study Sample Size Calculator. Sample size for individually matched case-control studies. Journal of Clinical Epidemiology 44.
The sample sizes are for a scalar exposure effect such as binary ordinal or continuous exposures. 150 cases and 450 controls. Sample size for individually matched case-control studies.
How many matched pairs need to be enrolled in the study to have a 90 chance of finding a significant difference using a two-sided.
Dec 13 2019 The following example demonstrates how to calculate a sample size for an unmatched case- control study. Adequate methods for power and sample size cal-culations are required to correctly interpret the results from case-control studies of gene-environment inter-actions. The application will show three different sample size estimates according to three different statistical calculations. Sample Size for Unmatched Case-Control Studies Version 30404.
