| Risk stratification | Caprini score | Non-major surgery (n =137) | Major surgery (n = 80) | All sample (N = 217) |
|---|---|---|---|---|
| Very low | 0 - 1 | 11 (8.0%) | - | 11 (5.1%) |
| Low | 2 | 32 (23.4%) | - | 32 (14.7%) |
| Moderate | 3 - 4 | 56 (40.9%) | - | 56 (25.8%) |
| High | 5 - 8 | 35 (25.5%) | 11 (13.8%) | 46 (21.2%) |
| Very high | > 8 | 3 (2.2%) | 69 (86.2%) | 72 (33.2%) |