Profile of cases by injury intent
| Accidental injury | Alleged assault | Suspected child abuse | |||
|---|---|---|---|---|---|
| Category | Group | n (%) | n (%) | n (%) | p Value* |
| n | 13 708 | 368 | 769 | ||
| Age | Under 1 | 1296 (9.5) | 13 (3.5) | 587 (76.3) | |
| 1–4 | 3617 (26.4) | 15 (4.1) | 164 (21.3) | ||
| 5–10 | 3670 (26.8) | 29 (7.9) | 16 (2.1) | ||
| 11–15 | 5125 (37.4) | 311 (84.5) | 2 (0.3) | <0.001 | |
| Gender | Female | 4290 (31.3) | 39 (10.6) | 315 (41) | |
| Male | 9418 (68.7) | 329 (89.4) | 454 (59) | <0.001 | |
| ISS | 1–8 | 1671 (12.2) | 79 (21.5) | 101 (13.1) | |
| 9–15 | 7520 (54.9) | 164 (44.6) | 226 (29.4) | ||
| >15 | 4517 (33) | 125 (34) | 442 (57.5) | <0.001 | |
| AIS 3+ injury | Head | 4302 (31.4) | 112 (30.4) | 441 (57.3) | <0.001 |
| Torso | 2137 (15.6) | 164 (44.6) | 77 (10) | <0.001 | |
| Limbs | 6658 (48.6) | 29 (7.9) | 204 (26.5) | <0.001 | |
| Other | 519 (3.8) | 10 (2.7) | 39 (5.1) | <0.001 | |
| No 3+ injury | 1746 (12.7) | 79 (21.5) | 107 (13.9) | <0.001 | |
| Mortality (%) (95% CI) | 2.61 (2.32 to 2.9) | 3.92 (1.75 to 6.1) | 7.59 (5.51 to 9.68) | ||
*Pearson χ2.
AIS, abbreviated injury score; ISS, injury severity score.