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Table 3 Risk factors for preoperative VTE in ovarian cancer patients

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

Univariate analysis    
Variable p value
Clear cell adenocarcinoma <0.05
Tumor diameter ≥10 cm <0.05
Tumor diameter ≥20 cm <0.01
Multivariate analysis    
Variable Risk ratio 95% CI p value
   Lower Upper  
Tumor diameter ≥20 cm 29.942 5.402 165.946 <0.01
Clear cell adenocarcinoma 9.052 1.929 42.477 <0.01
Age ≥50 years 9.953 1.338 74.047 <0.05
Heart disease 2.442 0.088 67.533 0.598
  1. CI: confidence interval; VTE: venous thromboembolism.