The NIA Interventions Testing Program's lifespan-testing protocol was designed to detect a 10% change in mean lifespan, in either sex, with 80% statistical power when data from as few as two of the three testing sites were pooled.
Sources
- NIA Interventions Testing Program: Investigating Putative ... (pmc.ncbi.nlm.nih.gov)
- https://www.thelancet.com/article/S2352-3964(16)30554-0/fulltext (thelancet.com)
- https://grantome.com/grant/NIH/U01-AG022303-17 (grantome.com)
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