Table 1: Characteristics of patient population.
| All patients | Patients with VTE | |
| n (%) | n (%) | |
| Demographic characteristics | ||
| Age in years - mean (SD) | 59 | 79 |
| Males | 593 (58) | 1 (20) |
| Ethnicity | ||
| • Chinese | 769 (75) | 3 (60) |
| • Indian | 103 (10) | 1 (20) |
| • Malay | 98 (10) | 1 (20) |
| • Other Asians | 58 (6) | 0 (0) |
| Injury characteristics | ||
| Mechanism | ||
| • Blunt trauma | 1002 (98) | 5 (100) |
| • Penetrating | 26 (2) | 0 (0) |
| Injuries (selected) | ||
| • Lower limb fractures | 301 (29) | 3 (60) |
| - Knee and above knee fracture | 251 | 3 |
| - Isolated below knee fracture | 50 | 0 |
| • Pelvic fractures | 72 (7) | 0 (0) |
| - ISS Score - Median (Range) | 10 (9-75) | 12 (10-43) |
| VTE and admission details | ||
| Chemoprophylaxis (LMWH) | 33 (3.2) | 0 (0) |
| LOS in days - median | 6 | 13 |