Demographics of the total analysed population and for the four main diagnostic groups
| Parameter | Missing n= | All N=5739 | ABI N=4182 (73%) | SCI N=506 (9%) | Peripheral N=282 (5%) | Progressive N=769 (13%) | Full data set N=12 256 * |
|---|---|---|---|---|---|---|---|
| Age | |||||||
| Mean (SD) | 0 | 47.3 (12.6) | 46.8 (12.8) | 49.3 (12.7) | 47.8 (12.8) | 48.6 (10.8) | 47.0 (12.8) |
| M:F ratio (%) | 4 | 59/41% | 62/38% | 59/41% | 55/45% | 40/60% | 60/40% |
| Time since onset (days) | |||||||
| Mean (SD) | 657 (2093) | 237 (1196) | 660 (2763) | 139 (359) | 3223 (3576) | 691 (2273) | |
| Median (IQR) | 59 (29–137) | 54 (28–104) | 48 (25–136) | 60 (30–11) | 2326 (90–5031) | 57 (28–133) | |
| Length of stay (days) | |||||||
| Mean (SD) days | 0 | 90.1 (65.5) | 90.7 (67.4) | 72.8 (58.5) | 79.9 (60.6) | 56.3 (60.0) | 79.2 (67.3) |
| Cost of episode | |||||||
| Mean (SD) | 0 | £39 381 (£32 235) | £43 053 (£33 473) | £32 813 (£26 519) | £36 631 (£31.357) | £24 739 (£22 857) | £37 158 (£33 121) |
| Diagnostic subcategories n (%) | |||||||
| Trauma | 1259 (21.9) | 1127 (26.9) | 125 (24.7) | 7 (2.5) | 2769 (22.6) | ||
| Vascular | 2048 (35.7) | 1979 (47.7) | 49 (9.7) | 20 (7.1) | 4299 (35.1) | ||
| Inflammatory | 448 (7.8) | 175 (4.2) | 109 (21.5) | 164 (58.2) | 950 (7.7) | ||
| Tumour | 347 (6.0) | 268 (6.4) | 79 (15.6) | – | 705 (5.8) | ||
| Other | 934 (16.3) | 595 (14.3) | 140 (27.7) | 89 (31.6) | 110 (14.3) | 1864 (15.3) | |
| Multiple sclerosis | 636 (11.1) | 636 (82.7) | 1323 (10.8) | ||||
| Motor neurone disease | 7 (0.1) | 7 (0.9) | 16 (0.1) | ||||
| Parkinson's disease | 13 (0.2) | 13 (1.7) | 23 (0.2) | ||||
| Missing | 47 (0.8) | 38 (0.9) | 4 (0.8) | 2 (0.7) | 307 (2.5) | ||
No significant differences were seen between the demographics of the analysis dataset and the full data set.
*N=12 256 is made up of 9000 (73%) ABI, 977 (8%) SCI, 642 (5%) peripheral and 1637 (13%) progressive conditions.
ABI, acquired brain injury; F, female; M, male; SCI, spinal cord injury.