VTE’s risk factors

Effectives

Percentage

Major surgery (>45 minutes)

70

87.5

Minor surgery

10

12.5

age > 40 years

58

72.5

Obesity (BMI > 25)

22

27.5

Sepsis (<1 month)

1

1.3

Stroke (<1 month)

1

1.3

Bed rest (>72 hours)

25

31.2

Oral contraceptives or hormone replacement therapy

2

2.5

Pregnancy or postpartum (<1 month)

1

1.3

History of unexplained stillborn infant, recurrent spontaneous abortion (≥3)

2

2.5

Malignancy

27

33.8

Central venous access

1

1.3

History of VTE

1

1.3

Paralysis

1

1.3