Confidence intervals are a more useful complement to nonsignificant tests than are power calculations

Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

1. 1Design Sensitivity: Statistical Power for Experimental Research.1991 · 1,053 citations
2. 2A comparison of the Two One-Sided Tests Procedure and the Power Approach for assessing the equivalence of average bioavailability1987 · 2,603 citations
3. 3The Insignificance of Statistical Significance Testing1999 · 1,117 citations
4. 4Statistical power analysis for the behavioral sciences1990 · 65,674 citations
5. 5Design Sensitivity: Statistical Power for Experimental Research.1990 · 785 citations