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Table 1 Comparison of the patient characteristics between groups A and B

From: Does intraoperative mechanical prophylaxis prevent venous thromboembolism in total knee arthroplasty? – effectiveness of passive-assisted ankle motion in surgical/non-surgical side

  Group A (n = 53) Group B (n = 24) P-value
Age (years: mean ± SD) 73.2 ± 8.3 72.5 ± 9.5 0.77
Sex (men: women) 9 :44 (17.0 %: 83.0 %) 5: 19 (20.8 %: 79.2 %) 0.75
BMI (kg/m2: mean ± SD) 25.6 ± 3.4 26.1 ± 4.2 0.62
Operation time (min: mean ± SD) 96.8 ± 15.7 92.5 ± 20.0 0.30
Total tourniquet time (min: mean ± SD) 90.1 ± 14.6 85.8 ± 19.2 0.29
Thromboprophylaxis (enoxaparin:fondaparinux) 49:4 (92.5 %: 7.5 %) 23:1 (95.8 %: 4.2 %) 1.00