Table 5. Final outcome and applied treatment among DCI cases (n = 114); mild residual symptoms are mild paresthesia, weakness, residual pain or some impairment of daily activities. Severe residual symptoms are difficulty walking, paralysis, uncompensated vertigo, or speech disorders; 14 divers (13 with a severity score < 7, 1 between 7–13) had a spontaneous recovery with full resolution without any treatment, although they activated the emergency response system .
| Severity score | After first HBOT | Final outcome | |||||
| Complete resolution | Mild residual | Severe residual | Complete resolution | Mild residual | Severe residual | ||
| Received first-aid and HBOT | |||||||
| <7 (n = 9) | 8 | 1 | 0 | 8 | 1 | 0 | |
| 7-13 (n = 8) | 2 | 4 | 2 | 4 | 2 | 2 | |
| >13 (n = 16) | 2 | 6 | 8 | 1 | 9 | 6 | |
| (n = 16) | 12 | 11 | 10 | 13 | 12 | 8 | |
| Received first-aid | |||||||
| <7 (n = 31) | - | - | - | 25 | 6 | 0 | |
| 7-13 (n = 2) | - | - | - | 1 | 1 | 0 | |
| Not seeking help | |||||||
| <7 (n = 30) | - | - | - | 29 | 1 | 0 | |
| 7-13 (n = 4) | - | - | - | 2 | 2 | 0 | |
| Total | 84 (74%) | 22 (19%) | 8 (7%) | ||||