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Table 1 Baseline characteristics of preoperatively anemic patients undergoing total knee arthroplasty

From: The value of tranexamic acid for patients with preoperative anemia in primary total knee arthroplasty

  TXA group Control group P-value
N = 32 N = 64
Sex, male/female 7/25 12/52 0.27
Age, years 67.4 ± 10.3 65.5 ± 7.7 0.96
BMI, kg/m2 25.5 ± 3.1 26.2 ± 3.8 0.40
ASA score 1.9 ± 0.4 1.8 ± 0.4 0.42
Pre-opCr, μmol/L 65.4 ± 13.9 66.7 ± 9.6 0.58
Pre-opHb, g/dL 11.1 ± 2.6 11.5 ± 4.9 0.17
Pre-opHCT 0.338 ± 0.027 0.341 ± 0.019 0.16
Tourniquet time, min 84.7 ± 26.3 77.7 ± 27.7 0.26
Charlson score 3.00 ± 0.76 3.00 ± 1.49 1.00
  1. Values given as average ± standard deviation, unless otherwise specified
  2. TXA tranexamic acid, BMI body mass index, ASA Society of Anesthesiologists, Pre-opCr preoperative levels of creatinine, Pre-opHb preoperative levels of hemoglobin, Pre-opHCT preoperative levels of hematocrit