Sample size | 242 | 396 | 495 |
Year of injury | | | |
Median | 1979 | 1980 | 1976 |
Interquartile range | 1976 to 1983 | 1977 to 1985 | 1974 to 1983 |
Age at injury (years) | | | |
Mean | 46.7 | 23.9 | 27.0 |
SD | 17.4 | 15.3 | 17.6 |
Male | 194 (80.2) | 291 (73.5) | 397 (80.2) |
Cause of injury | | | |
Road traffic accident | 92 (39.0) | 261 (66.6) | 300 (61.3) |
Fall under influence of alcohol | 82 (34.7) | 28 (7.1) | 56 (11.5) |
Other | 62 (26.3) | 103 (26.3) | 133 (27.2) |
Major extracranial complication | 51 (21.2) | 155 (39.2) | 173 (35.0) |
Lucid interval | 82 (36.0) | 69 (18.1) | 111 (23.2) |
GCS at A&E | | | |
3–8 | 151 (74.4) | 272 (85.0) | 297 (79.8) |
9–12 | 17 (8.4) | 21 (6.6) | 39 (10.5) |
13–15 | 35 (17.2) | 27 (8.4) | 36 (9.7) |
Non-reacting pupils at A&E | 44 (22.4) | 39 (11.8) | 43 (11.4) |
Injury type* | | | |
Diffuse | 59 (24.4) | 233 (58.8) | 265 (53.5) |
Evacuated mass | 154 (63.6) | 140 (35.4) | 187 (37.8) |
Non-evacuated mass | 29 (12.0) | 23 (5.8) | 43 (8.7) |
GOS at six months | | | |
Vegetative/severe disability | 129 (55.4) | 101 (25.6) | 116 (23.6) |
Moderate disability | 57 (24.5) | 126 (31.9) | 151 (30.7) |
Good recovery | 47 (20.2) | 168 (42.5) | 225 (45.7) |