| Eye Opening | E |
| spontaneous | 4 |
| to speech | 3 |
| to pain | 2 |
| no response | 1 |
| Best Motor Response | M |
| To Verbal Command: | |
| obeys | 6 |
| To Painful Stimulus: | |
| localizes pain | 5 |
| flexion-withdrawal | 4 |
| flexion-abnormal | 3 |
| extension | 2 |
| no response | 1 |
| Best Verbal Response | V |
| oriented and converses | 5 |
| disoriented and converses | 4 |
| inappropriate words | 3 |
| incomprehensible sounds | 2 |
| no response | 1 |
E + M + V = 3 to 15
- 90% less than or equal to 8 are in coma
- Greater than or equal to 9 not in coma
- 8 is the critical score
- Less than or equal to 8 at 6 hours – 50% die
- 9-12 = moderate severity
- Greater than or equal to 13 = minor injury
Coma is defined as: (1) not opening eyes, (2) not obeying commands, and (3) not uttering understandable words.