Fig. 13From: Impact of tourniquet during total knee arthroplasty when tranexamic acid was used: a meta-analysis of randomized controlled trialsA forest plot diagram showing LOH. Nine RCTs reported LOH. No significant difference was found for LOH between both groups (MD = 0.40, 95% CI − 0.1, − 0.9], P = 0.12)Back to article page