Fig. 8From: Open versus endoscopic carpal tunnel release: a systematic review and meta-analysis of randomized controlled trialsForest plots showing the standardized mean difference for the Two-point Discrimination (2PD) test between patients who underwent ECTR and those who underwent OCTR. ECTR, endoscopic carpal tunnel release; OCTR, open carpal tunnel release; IV, inverse-variance; CI, confidence interval; df, degrees of freedomBack to article page