Isolated Head AIS 3+ patients 1988–2014
| N (total 13547) | Adults *mean (95% CI), **median (IQR) | N (total 2485) | Elderly *mean (95% CI), **median (IQR) | |
|---|---|---|---|---|
| Male | 10410 | 76.8% (76.1%–77.6%) | 1368 | 55.1% (53.1%–57.0%) |
| Age* | *26.1 (15.9–42.0) | *77.6 (71.0–84.0) | ||
| ISS** | **16 (13–25) | **17 (16–25) | ||
| AIS head** | **4 (3–5) | **4 (4–5) | ||
| Presenting GCS** | **14 (9–15) | |||
| Underwentprocedure* | 1681 | 12.4% (11.9%–13.0%) | 200 | 8.0% (7.0%–9.1%) |
| 30 day mortality* | 1072 | 7.9% (7.5%–8.4%) | 732 | 29.5% (27.7%–31.2%) |
| Injury mechanism | ||||
| Blast | 4 | 0.0% (0%–0.1%) | 0 | |
| Blow | 1862 | 13.7% (13.2%–14.3%) | 53 | 2.1% (1.6%–2.7%) |
| Other | 1664 | 12.3% (11.7%–12.8%) | 96 | 3.9% (3.1%–4.6%) |
| Fall <2 m | 2073 | 15.3% (14.7%–15.9%) | 1244 | 50.1% (48.1%–52.0%) |
| Fall >2 m | 2382 | 17.6% (16.9%–18.2%) | 524 | 21.1% (19.5%–22.7%) |
| RTC | 5553 | 41.0% (40.2%–41.8%) | 567 | 22.8% (21.2%–24.5%) |
| Stabbing/shooting | 9 | 0.1% (0%–0.1%) | 1 | 0.0% (0%–0.1%) |