Fig. 20From: Peri-articular administration of tranexamic acid is an alternative route in total knee arthroplasty: a systematic review and meta-analysisBlood transfusion, PAI vs. IV or IA subgroup analysis a PAI group vs IV group or PAI group vs IA group b TXA administration < 1.5 g or TXA administration ≥ 1.5 g c Randomized controlled study or cohort studyBack to article page