Table 5 Multivariable logistic regression: risk factors for VTE among all cancer patients

Cancer sites

  Low risk (reference)

  High risk

1.63

1.31 - 2.02

  Hematologic

1.26

0.79 - 2.00

Prior history of VTE

4.32

1.60 - 11.66

Comorbid diseases

  Hypertension

1.41

1.17 - 1.70

  Arterial embolism

2.96

1.31 - 6.67

  Obesity

2.88

1.13 - 7.35

  Rheumatologic diseases

1.90

1.05 - 3.43

Potential risk factors

  Surgery

   Thoracic

2.35

1.91 - 2.89

   Abdominal

1.99

1.62 - 2.45

   Urogenital

2.12

1.52 - 2.94

  Chemotherapy

3.61

2.95 - 4.41

  Combination therapy

4.95

3.08 - 7.96

  Blood transfusion

0.57

0.42 - 0.77