Early clinical data
| Known to be dead | Contacted and assessed | Remainder | |
|---|---|---|---|
| Information on demographic features, type of injury, clinical severity, treatment, and outcome at six months of 1133 survivors of a head injury studied prospectively at the Institute of Neurological Sciences, Glasgow, UK between 1968 and 1985. Values are n or n (%). *Pattern of injury from imaging and operative findings. A&E, accident and emergency department; GCS, Glasgow coma score; GOS, Glasgow outcome scale. | |||
| 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) |