From: Outcome Reporting Among Drug Trials Registered in ClinicalTrials.gov
Ann Intern Med. 2010;153(3):158-166. doi:10.7326/0003-4819-153-3-201008030-00006
Figure Legend:
Percentage of trials with reported favorable outcomes, by trial phase within funding source.Trials funded by industry sources reported the highest percentage of favorable outcomes across all trial phases. Trial phase
was not a significant determinant of outcome (P = 0.70, Cochran–Mantel–Haenszel test controlling for primary funding source). Phase 1 and 2 trials were combined because of the small number of phase 1 trials (n = 13).
Date of download: 7/12/2017
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