{"title":"Sample Size Calculation Guide - Part 7: How to Calculate the Sample Size Based on a Correlation.","authors":"Ahmed Negida","doi":"10.22114/ajem.v0i0.344","DOIUrl":null,"url":null,"abstract":"INTRODUCTION In the previous educational articles, we explained how to calculate the sample size for a rate or a single proportion, for an independent cohort study, for an independent case-control study, for a diagnostic test accuracy study, for a superiority clinical trial, and for a non-inferiority or equivalence clinical trial (1-6). In this article, we will explain how to calculate the sample size for a clinical study with the aim of detecting the correlation coefficient between two variables.","PeriodicalId":7290,"journal":{"name":"Advanced Journal of Emergency Medicine","volume":"4 2","pages":"e34"},"PeriodicalIF":0.0000,"publicationDate":"2020-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/07/7d/AJEM-4-e34.PMC7163254.pdf","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advanced Journal of Emergency Medicine","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.22114/ajem.v0i0.344","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2020/1/1 0:00:00","PubModel":"eCollection","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
INTRODUCTION In the previous educational articles, we explained how to calculate the sample size for a rate or a single proportion, for an independent cohort study, for an independent case-control study, for a diagnostic test accuracy study, for a superiority clinical trial, and for a non-inferiority or equivalence clinical trial (1-6). In this article, we will explain how to calculate the sample size for a clinical study with the aim of detecting the correlation coefficient between two variables.
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