关于重叠置信区间的简短说明。
A brief note on overlapping confidence intervals.
作者信息
Austin Peter C, Hux Janet E
机构信息
Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada.
出版信息
J Vasc Surg. 2002 Jul;36(1):194-5. doi: 10.1067/mva.2002.125015.
PMID:12096281
Abstract
Clinical researchers frequently assess the statistical significance of the difference between two means by examining whether the two 95% confidence intervals overlap. The purpose of this brief communication is to illustrate that the 95% confidence intervals for two means can overlap and yet the two means can be statistically significantly different from one another at the alpha = 0.05 level.
摘要
临床研究人员经常通过检查两个95%置信区间是否重叠来评估两个均值之间差异的统计学显著性。本简短交流的目的是说明，两个均值的95%置信区间可能会重叠，但在α = 0.05水平下，这两个均值在统计学上可能存在显著差异。
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