A Statistics Primer
The American Journal of Sports MedicinePublished 1 January 1997Open access
Mary Lou V. H. Greenfield, John E. Kuhn, Edward M. Wojtys
Citations25
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ObjectiveStudy objective
MethodsResearch methodology
PopulationPopulation studied
Sample sizeSample sizes
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Abstract
Peer Reviewed
Keywords
MathematicsEngineering
Controlled Clinical TrialsIntroduction to sample size determination and power analysis for clinical trials
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The importance of sample size evaluation in clinical trials is reviewed and a general method is presented from which specific equations are derived for sample size determination or the analysis of power for a wide variety of statistical procedures.
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