Risk of Bias in Reports of In Vivo Research: A Focus for Improvement
Fig 1
(A) Prevalence of reporting of randomisation, blinded assessment of outcome, sample size calculation, and conflict of interest in 146 publications describing in vivo research identified through random sampling from PubMed; change in prevalence of (B) randomisation, (C) blinded assessment of outcome, and (D) conflict of interest reporting in quintiles of year of publication.
Vertical error bars represent the 95% confidence intervals of the estimates (S1 Data).