Table 1.
Patient and injury characteristics.
| n | % | ||
|---|---|---|---|
| Gender | Male | 495 | 93·0 |
| Female | 37 | 7·0 | |
| Missing | 0 | 0·0 | |
| Age (years), median (IQR) | 26 (20, 35) | ||
| Previous ED attendance due to interpersonal violence* | Yes | 98 | 18·5 |
| No | 434 | 81·5 | |
| Missing | 0 | 0·0 | |
| Alcohol intoxication at presentation | Yes | 102 | 19·2 |
| No | 65 | 12·2 | |
| Missing | 365 | 68·6 | |
| History of illicit drug use at presentation and/or known drug dependence. | Yes | 95 | 17·6 |
| No | 58 | 10·9 | |
| Missing | 379 | 71·2 | |
| Drug used: n,% | Cannabinoids | 22 | 4·9 |
| Cocaine | 9 | 1·7 | |
| Heroin | 25 | 4·7 | |
| Combined Opiates | 9 | 1·7 | |
| Unspecified | 30 | 5·7 | |
| Charlson Co-morbidity Index | 0 | 458 | 86·0 |
| 1 | 67 | 12·6 | |
| ≥2 | 7 | 1·0 | |
| Missing | 0 | 0·0 | |
| Psychiatric history (as per ED notes) | Yes | 84 | 15·8 |
| No | 409 | 76·9 | |
| Missing | 39 | 7·3 | |
| Psychiatric diagnoses: n,% | Schizophrenia | 9 | 0·2 |
| Depression | 32 | 6·1 | |
| Mixed anxiety and depressive disorder | 9 | 0·2 | |
| Anxiety (including agoraphobia) | 5 | 0·9 | |
| Other/unspecified | 6 | 1·2 | |
| Causative weapon | Household knife | 48 | 9·0 |
| Knife (other/unspecified) | 202 | 38·0 | |
| Machete | 74 | 13·9 | |
| Folding blade ≤ 3 inches | 15 | 2·8 | |
| Not recorded | 193 | 36·3 | |
| Injured in a domestic setting | Yes | 87 | 16·4 |
| No | 274 | 51·5 | |
| Missing | 171 | 32·1 | |
| By Gender | |||
| Male | 63/495 | 12·7 | |
| Females | 24/37 | 64·9% |
⁎
with blunt or penetrating injuries, between 1 April 2012 – 1 Jan 2019.