Predictors | Odds ratio | 95% CI | P value |
---|---|---|---|
Age, ≧75 years | 1.82 | 1.15-2.87 | 0.011 |
Female gender | 2.31 | 1.03-5.18 | 0.041 |
e-GFR, <60 mL/min per 1.73 m2 | 0.81 | 0.44-1.50 | 0.502 |
Body mass index, ≧30 kg/m2 | 0.89 | 0.36-2.20 | 0.803 |
General anesthesia | 0.41 | 0.23-0.71 | 0.002 |
Operation time, ≧120 minutes | 0.79 | 0.50-1.23 | 0.293 |
Use of foot pump | 1.08 | 0.59-1.96 | 0.808 |
Use of elastic stocking | 0.51 | 0.26-1.01 | 0.052 |
Medications | |||
  Unfractionated heparin | 1.27 | 0.44-3.61 | 0.658 |
  Enoxaparin | 0.84 | 0.44-1.57 | 0.577 |
  Fondaparinux | 0.36 | 0.20-0.66 | 0.001 |
  Others | 1.36 | 0.55-3.36 | 0.502 |