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Table 7 Multivariate logistic regression for the composite effectiveness outcomes (symptomatic/non-symptomatic DVT up to POD10 and PE up to POD28) in patients receiving TKA

From: Venous thromboembolism after total joint arthroplasty: results from a Japanese multicenter cohort study

Predictors Odds ratio 95% CI P value
Age, 75 years 1.30 0.99-1.71 0.060
Female gender 1.58 1.08-2.31 0.018
History of venous thrombosis 1.11 0.36-3.46 0.846
e-GFR, <60 mL/min per 1.73 m2 1.05 0.77-1.42 0.768
Body mass index, 30 kg/m2 0.90 0.58-1.38 0.626
General anesthesia 0.60 0.45-0.80 0.001
Use of tourniquet 2.31 0.95-5.59 0.065
Operation time, 120 minutes 0.91 0.69-1.21 0.504
Use of foot pump 1.60 1.15-2.21 0.005
Use of elastic stocking 1.28 0.85-1.94 0.234
Medications    
  Unfractionated heparin 1.61 0.92-2.79 0.093
  Enoxaparin 1.01 0.71-1.45 0.961
  Fondaparinux 0.51 0.36-0.72 0.000
  Others 1.00 0.49-2.02 0.992
  1. CI, confidence interval; DVT, deep vein thrombosis; e-GFR, estimated glomerular filtrating ratio; PE, pulmonary embolism; TKA, total knee arthroplasty.