PubMed · 2910062
A program to calculate sample size, power, and least detectable relative risk using a programmable calculator.
Abstract
A program for the Hewlett Packard 41 series programmable calculator that determines sample size, power, and least detectable relative risk for comparative studies with independent groups is described. The user may specify any ratio of cases to controls (or exposed to unexposed subjects) and, if calculating least detectable relative risks, may specify whether the study is a case-control or cohort study.
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J M Muhm, A F Olshan. 1989. A program to calculate sample size, power, and least detectable relative risk using a programmable calculator.. https://doi.org/10.1093/oxfordjournals.aje.a115110
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