doi: 10.1067/mva.2002.125015.
A brief note on overlapping confidence intervals
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- PMID: 12096281
- DOI: 10.1067/mva.2002.125015
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A brief note on overlapping confidence intervals
J Vasc Surg.
2002 Jul.
Free article
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.
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