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Preparing Appropriate Statistical Analyses

"Lies, damn lies, and statistics." Mark Twain's view is undoubtedly shared by many physician scientists. Critical to scientific inquiry and reporting, statistical analysis is often misunderstood and misused. Questions about the appropriateness and interpretation of statistical tests trouble all of us: researchers, reviewers, and readers.

To help us navigate statistical waters, Kirk Wilhelmus has prepared 4 elegant articles that discuss 4 fundamental statistical principles and provide practical information that can be applied to the studies we conduct and the papers we read. Concise, witty (a term perhaps never before applied to an article on statistics), and for all that remarkably comprehensive, these articles are both an introduction and an invaluable reference source. They warrant reading and rereading.

Beyond the P: I: Problems with probability
Kirk R. Wilhelmus
Journal of Cataract & Refractive Surgery
September 2004 (Vol. 30, Issue 9, Pages 2005-2006)
Abstract | Full Text | Full-Text PDF (67 KB)

Beyond the P: II: Precluding a puddle of P values
Kirk R. Wilhelmus
Journal of Cataract & Refractive Surgery
October 2004 (Vol. 30, Issue 10, Pages 2207-2208)
Abstract | Full Text | Full-Text PDF (69 KB)

Beyond the P: III: Possible insignificance of the nonsignificant P value
Kirk R. Wilhelmus
Journal of Cataract & Refractive Surgery
November 2004 (Vol. 30, Issue 11, Pages 2425-2426)
Abstract | Full Text | Full-Text PDF (66 KB)

Beyond the P: IV: Gain confidence in confidence intervals
Kirk R. Wilhelmus
Journal of Cataract & Refractive Surgery
December 2004 (Vol. 30, Issue 12, Pages 2618-2619)
Abstract | Full Text | Full-Text PDF (67 KB)


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