Fig. 3From: A comparative, retrospective study of peri-articular and intra-articular injection of tranexamic acid for the management of postoperative blood loss after total knee arthroplastyThe estimated volume of blood loss of the three groups.Legend: The estimated volume of blood loss was significantly lower for patients in the PAI-TXA and IAI-TXA group compared to those in the control group (P < 0.05). There was no significant difference between the two TXA groups (P = 0.96)Back to article page