Average differences in observed log odds ratios between underpowered () compared to adequately powered studies, in subset A of 1,107 meta-analyses, overall and within medical specialties, outcome types and intervention-comparison types.
1<p>Other medical specialties, semi-objective outcomes, subjective outcomes and non-pharmacological interventions defined in footnotes to <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0059202#pone-0059202-t002" target="_blank">Table 2</a>.</p>2<p>Comparison is less meaningful when comparing two active interventions since the a priori “better” active intervention is not taken into account.</p
