Fig. 4From: Multimodal Peri-articular Injection with Tranexamic Acid can reduce postoperative blood loss versus Intravenous Tranexamic Acid in Total Knee Arthroplasty: A Randomized Controlled TrialThe postoperative drainage volume of the two groups. The volume was lower for patients in the PAI TXA group compared to the control group but there was no significant difference (P > 0.05)Back to article page