Fig. 9From: Efficacy and safety of fibrin sealant application in patients undergoing thyroidectomy: a systematic review and meta-analysisSensitivity analyses of the included studies in terms of the total wound drainage volume. The two vertical axes represent the 95% CI, and the horizontal axis represents the overall HR. In the current review, the pooled OR was represented by a hollow, round shape, and was excluded from the remaining studies. The two ends of each broken line represent the corresponding 95% CI. CI: confidence interval, HR: hazards ratio, OR: odds ratioBack to article page