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Table 3 Postoperative venous thromboembolism (VTE) of study groups

From: Which orally administered antithrombotic agent is most effective for preventing venous thromboembolism after total knee arthroplasty? A propensity score-matching analysis

  Aspirin (n = 117) Rivaroxaban (n = 117) Apixaban (n = 117) p value
Venous thromboembolism, n (%) 19 (16.2) 7 (6.0) 20 (17.1) 0.02
VTE classification, n (%)
 LET I (calf vein) 18 (94.7) 7 (100.0) 20 (100.0)  
 LET II (popliteal/femoral vein) 1 (5.3) 0 0
 LET III (common femoral/iliac vein) 0 0 0  
 LET IV (inferior vena cava) 0 0 0  
  1. The statistical significance was set at p < 0.05
  2. VTE venous thromboembolism, LET lower-extremity thrombosis