KOSCHI scores by injury severity and time since injury
| KOSCHI score | All mild HI (n = 419) | All moderate HI (n = 58) | All severe HI (n = 49) | Mild HI ⩽1 year post-HI (n = 79) | Moderate HI ⩽1 year post-HI (n = 15) | Severe HI ⩽1 year post-HI (n = 12) |
|---|---|---|---|---|---|---|
| 3 Severe disability | 0 | 0 | 4 (8.2%) | 0 | 0 | 2 (16.7%) |
| 3A | 0 | 0 | 1 (2.0%) | 0 | 0 | 1 (8.3%) |
| 3B | 0 | 0 | 3 (6.1%) | 0 | 0 | 1 (8.3%) |
| 4 Moderate disability | 181 (43.2%) | 37 (63.8%) | 34 (69.4%) | 33 (41.8%) | 12 (80%) | 8 (66.7%) |
| 4A | 34 (8.1%) | 15 (25.9%) | 17 (34.7%) | 10 (12.7%) | 5 (33.3%) | 5 (41.7%) |
| 4B | 147 (35.1%) | 22 (37.9%) | 17 (34.7%) | 23 (29.1%) | 7 (46.7%) | 3 (25%) |
| 5 Good recovery | 238 (56.8%) | 21 (36.2%) | 11 (22.4%) | 46 (58.2%) | 3 (20%) | 2 (16.7%) |
| 5A | 149 (35.6%) | 15 (25.9%) | 9 (18.4%) | 29 (36.7%) | 3 (20%) | 2 (16.7%) |
| 5B | 89 (21.2%) | 6 (10.3%) | 2 (4.1%) | 17 (21.5%) | 0 | 0 |
| Total | 419 (100%) | 58 (100%) | 49 (100%) | 79 (100%) | 15 (100%) | 12 (100%) |