Fig. 5From: Impact of tourniquet during total knee arthroplasty when tranexamic acid was used: a meta-analysis of randomized controlled trialsA forest plot diagram showing drainage volume. Five RCTs reported drainage volume. The forest plot showed that the drainage volume was not significantly different between the two groups (MD = 69.50, 95% CI [− 3.91, 142.9], P = 0.06)Back to article page