P value-driven methods were underpowered to detect publication bias: analysis of Cochrane review meta-analyses
Objectives The aim of the study was to investigate the effect of number of studies in a meta-analysis on the detection of publication bias using P value-driven methods. Methods The proportion of meta-analyses detected by Egger's, Harbord's, Peters', and Begg's tests to have asymmetry suggestive of publication bias were examined in 5,014 meta-analyses from Cochrane reviews. P values were also assessed in meta-analyses with varying number of studies, whereas symmetry was held constant. A...[Show more]
|Collections||ANU Research Publications|
|Source:||Journal of Clinical Epidemiology|
|1-s2.0-S0895435619303816-main.pdf||332.08 kB||Adobe PDF||Request a copy|
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