How I do it: sample size calculations

被引：11
|
作者：
O'Hara, J. [1 ]
机构：
[1] Freeman Rd Hosp, Newcastle Upon Tyne NE7 7DN, Tyne & Wear, England
来源：
CLINICAL OTOLARYNGOLOGY | 2008年 / 33卷 / 02期
关键词：
D O I：
10.1111/j.1749-4486.2008.01668.x
中图分类号：
R76 [耳鼻咽喉科学];
学科分类号：
100213 ;
摘要：
Sample size calculations are integral to project design. A description of the underlying theory behind them is set out. Required are the significance level, the power, the clinical difference and the standard deviation. Douglas Altman's nomogram is particularly useful for sample size calculations for comparing independent samples.
引用
收藏
页码：145 / 149
页数：5
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