Conditional power for assessing population interventions.
CONCLUSION: Pre-post designs can be initiated after the baseline period is over. Power calculations that are conditioned on observed baseline data account differently for variability in the baseline and follow-up periods.
PMID: 30130977 [PubMed - as supplied by publisher]
Source: Journal of Comparative Effectiveness Research - Category: General Medicine Tags: J Comp Eff Res Source Type: research