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Table 2 Risk factors for preoperative VTE

From: Risk factors for perioperative venous thromboembolism: A retrospective study in Japanese women with gynecologic diseases

Univariate analysis    
Variable p value
Age ≥50 years <0.01
Age ≥55 years <0.01
History of VTE <0.01
Ovarian cancer <0.01
Tumor diameter ≥10 cm <0.01
Tumor diameter ≥20 cm <0.01
Multivariate analysis    
Variable Risk ratio 95% CI p value
   Lower Upper  
History of VTE 34.596 2.003 597.612 <0.05
Age ≥50 years 2.368 0.657 8.531 0.187
Ovarian cancer 20.521 5.046 83.455 <0.01
Tumor diameter ≥10 cm 6.442 1.280 32.412 <0.05
Heart disease 0.763 0.032 18.2 0.867
  1. CI: confidence interval; VTE: venous thromboembolism.