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Table 2 Perioperative blood loss and allogeneic blood transfusion

From: Influence of tourniquet use in primary total knee arthroplasty with drainage: a prospective randomised controlled trial

  Non-tourniquet Tourniquet P value
Operating time (min) 82.0 ± 12.7 77.2 ± 14.5 0.038
Total blood loss (ml) 389.2 ± 178.3 374.5 ± 165.3 0.613
Intraoperative blood loss (ml) 215.7 ± 113.7 138.6 ± 93.9 < 0.001
Postoperative blood loss (ml) 180.2 ± 117.0 253.7 ± 144.2 0.001
Drainage volume (ml) 89.2 ± 66.3 164.5 ± 97.8 0.004
Blood transfusion (num./%) 3 (4.4%) 8 (11.1%) 0.141
  1. Data are shown as mean ± standard deviation or numbers (%)