| Factors | Score | |
| Skeletal/soft-tissue injury | Low energy (stab; simple fracture; pistol gunshot wound) | 1 |
|
| Medium energy (open or multiple fractures, dislocation) | 2 |
|
| Medium energy (open or multiple fractures, dislocation) | 3 |
|
| Very high energy (high speed trauma + gross contamination) | 4 |
| Limb ischemia | Pulse reduced or absent but perfusion normal | 1* |
|
| Pulseless; paresthesias, diminished capillary refill | 2* |
|
| Cool, paralyzed, insensate, numb | 3* |
| Shock | Systolic BP always > 90 mm Hg | 0 |
|
| Hypotensive transiently | 1 |
|
| Persistent hypotension: | 2 |
| Age (years) | <30 | 0 |
|
| 30 - 50 | 1 |
|
| >50 | 2 |