Risk-adjusted mortality
| N=5287 | OR (95% CI) | P value |
| KSMC | 1.0 | Reference |
| Alfred | 0.25 (0.15 to 0.43) | <0.001 |
| Glasgow Coma Score motor on arrival to the KSMC | ||
| Obeys command | 1.0 | Reference |
| No movement | 34.23 (18.97 to 61.76) | <0.001 |
| Extension to pain | 24.04 (7.32 to 78.99) | <0.001 |
| Flexion to pain | 10.95 (3.32 to 36.10) | <0.001 |
| Withdraws to pain | 9.71 (2.86 to 32.90) | <0.001 |
| Localises to pain | 4.92 (2.18 to 11.10) | <0.001 |
| ISS categories | ||
| <12 | 1.0 | Reference |
| 12–25 | 3.98 (2.49 to 6.38) | <0.001 |
| 26–40 | 5.12 (2.63 to 9.96) | <0.001 |
| >40 | 15.79 (6.84 to 36.43) | <0.001 |
| Age at injury event (years) | ||
| 15–24 | 1.0 | Reference |
| 25–40 | 0.85 (0.43 to 1.68) | 0.635 |
| 41–60 | 1.49 (0.74 to 3.00) | 0.260 |
| 61–70 | 4.03 (1.70 to 9.53) | 0.002 |
| 71–80 | 6.89 (3.19 to 14.90) | <0.001 |
| 81+ | 16.58 (7.57 to 36.30) | <0.001 |
| Cause of injury | ||
| Falls both high and low | 1.0 | Reference |
| Cause with systemic effect | 10.71 (3.66 to 31.33) | <0.001 |
| Motor vehicle occupants | 0.70 (0.41 to 1.19) | 0.193 |
| Motorcyclists | 0.13 (0.03 to 0.59) | 0.008 |
| Other specified external cause | 0.23 (0.03 to 1.77) | 0.159 |
| Pedal cyclist—rider or passenger | 0.26 (0.05 to 1.39) | 0.116 |
| Pedestrian | 1.36 (0.71 to 2.63) | 0.357 |
| Struck by object or person | 0.25 (0.05 to 1.25) | 0.092 |
ISS, Injury Severity Score; KSMC, King Saud Medical City.