Fig. 9From: The impact of tourniquet on tibial bone cement penetration in different zones in primary total knee arthroplasty: a meta-analysisA forest plot diagram showing change in hemoglobin. Three studies reported the Change in hemoglobin. The results showed no significant difference in change in hemoglobin between the 2 groups (MD - 0.58, 95% CI - 1.95 to 0.79, P = 0.4, I2 = 98%)Back to article page