
| Size (kg) | >20 10-20 <10 |
| Airway | normal maintainable non-maintainable |
| Systolic BP (mmHg) | >90 50-90 <50 |
| Mental status | awake obtunded comatose |
| Open wound | none minor major |
| Extremity fractures | none closed open or multiple |

1A total score of <= 8 suggests possible serious injury, < 1 predicts mortality rate of >98%, 4 = 50% mortality, > 8 predicts < 1% mortality