Table 1.
Demographics
| All patients | EDH haemorrhage | SDH haemorrhage | IPH haemorrhage | SAH | No bleeding | |
| N | 13962 (100%) | 3140 (22.5%) | 4204 (30.1%) | 2990 (21.8%) | 3025 (21.7%) | 7517 (53.8%) |
| NFS | 2,185 (70%) | 1985 (47%) | 2193 (73%) | |||
| Small | NA | 536 (17%) | 1168 (28%) | 321(11%) | NA | NA |
| Large | 419 (13% | 1051 (25%) | 476 (16%) | |||
| Median Age | 40.7 | 43.4 | 48.9 | 47.1 | 46.6 | 37.8 |
| Male | 10229 (73.3%) | 2352 (74.9%) | 3050 (72.5%) | 2187 (73.1%) | 2257 (74.6%) | 5456 (72.6%) |
| Female | 3733 (26.7%) | 788 (25.1%) | 1154 (27.5%) | 803 (26.9%) | 768 (25.4%) | 2061 (27.4%) |
| Median GCS | 13 | 11 | 10 | 11 | 8 | 14 |
| Median ISS | 18 | 25 | 25 | 25 | 25 | 13 |
| RTC | 6125 (43.9%) | 1053 (33.5%) | 1337 (31.8%) | 1025 (34.3%) | 1299 (42.9%) | 3756 (50.0%) |
| Fall more > 2 m | 2312 (16.6%) | 753 (24.0%) | 1026 (24.4%) | 690 (23.1%) | 715 (23.6%) | 892 (11.9%) |
| Fall <2 m | 2706 (19.4%) | 720 (22.9%) | 1119 (26.6%) | 763 (25.5%) | 561 (18.5%) | 1238 (16.5%) |
| Other | 2819 (20.2%) | 614 (19.6%) | 722 (17.2%) | 512 (17.1%) | 450 (14.9%) | 1631 (21.7%) |
| Non NSU | 7907 (56.6%) | 1523 (48.5%) | 2044 (48.6%) | 1634 (54.6%) | 1426 (47.1%) | 4813 (64.0%) |
| NSU | 6055 (43.4%) | 1617 (51.5%) | 2160 (51.4%) | 1356 (45.4%) | 1599 (52.9%) | 2704 (36.0%) |
| Mortality | 3065 (22.0%) | 869 (27.7%) | 1380 (32.8%) | 950 (31.8%) | 1222 (40.4%) | 1098 (14.6%) |
NFS: No further specified; GCS: Glasgow coma scale; ISS: Injury severity score; RTC: Road traffic collision; NSU: Neurosurgical unit; EDH: Extradural haematoma; SDH: Subdural Haematoma; IPH: Intracerebral Haemorrhage