Measures of case mix, outcome and activity | n (percent), mean (SD) or median (IQR) |
---|---|
Number of admissions, n (percent of database) | 11,021 (3.0) |
Age (years), mean (SD) | 44.0 (19.9) |
Reason for admission, n (percent) | Â |
   Primary brain injury | 6,400 (58.1) |
   Subdural haematoma | 3,631 (32.9) |
   Extradural haematoma | 990 (9.0) |
Admission following emergency surgery, n (percent) | 2,233 (20.3) |
First 24 h GCSa, mean (SD) | 7.3 (4.5) |
Pre-sedation GCSb, mean (SD) | 6.8 (3.6) |
APACHE II scorec, mean (SD) | 14.3 (7.4) |
Mortality, deaths (percent) | Â |
   ICU | 2,534 (23.0) |
   Hospitald | 3,453 (33.5) |
Length of stay (days), median (IQR) | Â |
ICU | Â |
   Survivors | 3.2 (1.1–8.1) |
   Non-survivors | 1.6 (0.7–4.0) |
Hospitald | Â |
   Survivors | 24 (10–51) |
   Non-survivors | 3 (1–9) |