Sample Size Calculation Guide - Part 2: How to Calculate the Sample Size for an Independent Cohort Study
Autor: | Nadien, Khaled Fahim, Ahmed, Negida |
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Jazyk: | angličtina |
Rok vydání: | 2018 |
Předmět: | |
Zdroj: | Advanced Journal of Emergency Medicine (2018) Advanced Journal of Emergency Medicine |
Popis: | In the previous article, we explained how to calculate the sample size for a cross-sectional study based on a rate or a single proportion. In this article, we will explain how to calculate the sample size for an independent cohort study based on a comparison of two proportions representing the event rates in both the exposed and the non-exposed groups. |
Databáze: | OpenAIRE |
Externí odkaz: |