Table 1. Comparison of demographics and clinical characteristics between assaulted and non-assaulted patients.
| Demographics | Mechanism of TBI | Number valid (%) | p-value | ||
|---|---|---|---|---|---|
| Non-assault | Assault | ||||
| Number of patients | 159 | 43 | 202 (100) | ||
| Median Age (IQR) | 50.4 (26.5–63.4) | 29.3 (22.1–36.4) | 179 (88.6) | <0.001 | |
| Proportion Male | 74.2% | 90.7% | 202 (100) | 0.023 | |
| Ethnicity | White | 87.9% | 72.1% | 200 (99.0) | 0.014 |
| Asian | 7.6% | 23.3% | |||
| Other | 4.5% | 4.7% | |||
| Median follow-up interval (IQR) [months] | 5.1 (3.6–7.6) | 6.2 (3.7–8.3) | 174 (86.1) | 0.606 | |
| Severity (GCS) | Severe | 21.8% | 14.0% | 190 (94.1) | 0.398 |
| Moderate | 10.9% | 16.3% | |||
| Mild | 67.3% | 69.8% | |||
| Median Marshall Classification (IQR) | 2 (2–4) | 2 (2–3) | 170 (84.2) | 0.908 | |
| Glasgow Outcome Score | 3 | 21.8% | 0.0% | 105 (52) | 0.122 |
| 4 | 25.7% | 37.0% | |||
| 5 | 52.6% | 63.0% | |||
| Median days hospitalised (IQR) | 11 (5–22) | 5 (3.25–14) | 175 (86.6) | 0.015 | |
| Median days ITU (IQR) | 0 (0–6) | 0 (0–1.75) | 176 (87.1) | 0.047 | |
| Extracranial trauma from event | 36.5% | 20.9% | 202 (100) | 0.068 | |
| Previous co-morbidities | 50.3% | 25.6% | 202 (100) | 0.005 | |
| Neurosurgery required | 32.0% | 36.6% | 191 (95.6) | 0.579 | |
| Loss of Consciousness at scene | 55.9% | 75.8% | 151 (74.8) | 0.045 | |
| Post-traumatic amnesia | 25.2% | 30.2% | 202 (100) | 0.559 | |
| Alcohol involved during injury | 33.3% | 56.3% | 134 (66.3) | 0.024 | |
| Litigation after injury | 4.4% | 4.7% | 202 (100) | 0.944 | |
]All patients completed the QOLIBRI questionnaire sufficiently to be included in analysis (n = 202). Fewer patients completed the RPQ (n = 177), PHQ-9 (n = 160), PCL-C (n = 144), HIT (n = 148), and IES (n = 129). For the PCL-C, HIT and IES, 35 fewer patients were offered the questionnaire. All other variation is due to incomplete responses being excluded from analysis.