Review
doi: 10.1186/cc1493.
Epub 2002 Mar 18.
Statistics review 3: hypothesis testing and P values
Affiliations
- PMID: 12133182
- PMCID: PMC137449
- DOI: 10.1186/cc1493
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Review
Statistics review 3: hypothesis testing and P values
Crit Care.
2002 Jun.
Erratum in
- Crit Care. 2003 Feb;7(1):15.
Abstract
The present review introduces the general philosophy behind hypothesis (significance) testing and calculation of P values. Guidelines for the interpretation of P values are also provided in the context of a published example, along with some of the common pitfalls. Examples of specific statistical tests will be covered in future reviews.
Figures
Individual and combined odds ratios and 95% confidence intervals for six intravenous nitrate trials.
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