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 |