Fig. 2From: Macular hole surgery recovery with and without face-down posturing: a meta-analysis of randomized controlled trialsAssessment of the risk of bias in included studies. a Risk of bias graph: Review authors’ judgments about each “Risk of bias” item presented as percentages across all included studies; b Risk of bias summary: the detailed risk of bias values for each article. +: low risk of bias; −: high risk of bias;?: unclear risk of biasBack to article page