Fig. 5From: Regional anesthesia did not improve postoperative long-term survival of tumor patients: a systematic review and meta-analysis of randomized controlled trialsSensitivity analysis and funnel plots for postoperative RFS and OS. A Sensitivity analysis of regional anesthesia on recurrence-free survival. B Sensitivity analysis of regional anesthesia on overall survival. C Funnel plot for postoperative recurrence-free survival. D Funnel plot for postoperative overall survivalBack to article page