Figure 2
From: The effects of a tourniquet used in total knee arthroplasty: a meta-analysis
Forest plot for blood loss. (a) Intraoperative blood loss between TKA with a tourniquet and TKA without a tourniquet. (b) Postoperative visible blood loss between TKA with a tourniquet and TKA without a tourniquet. (c) Calculated blood loss between TKA with a tourniquet and TKA without a tourniquet. (d) Rate of transfusion between TKA with a tourniquet and TKA without a tourniquet. CI confidence interval, IV inverse variance.