Table 1. Demographic and clinical characteristics and crude association with a poor outcome.
| Variable | Total | Good Outcome | Poor Outcome | p-Value | Odds Ratio (95% CI) | p-Value |
|---|---|---|---|---|---|---|
| Age, Mean (SD) | 32.1 (16.5) | 31.5 (16.3) | 36.3 (17.7) | <0.001 | 1.02 (1.01–1.02) | <0.001 |
| Sex, N (%) | ||||||
| Female | 572 (17.8) | 516 (90.2) | 56 (9.8) | ref | ||
| Male | 2637 (82.2) | 2332 (88.4) | 305 (11.6) | 0.243 | 1.21 (0.90–1.64) | 0.224 |
| Mechanism of Injury, N (%) | ||||||
| Assault | 462 (14.4) | 434 (93.9) | 28 (6.1) | ref | ||
| Road Traffic Injury | 2171 (67.7) | 1911 (88.0) | 260 (12.0) | 2.11 (1.43–3.22) | <0.001 | |
| Fall | 347 (10.8) | 293 (84.4) | 54 (15.6) | 2.86 (1.78–4.67) | <0.001 | |
| Other | 229 (7.1) | 210 (91.7) | 19 (8.3) | <0.001 | 1.40 (0.76–2.55) | 0.274 |
| Glasgow Coma Score, N (%) | ||||||
| Mild | 2517 (78.4) | 2438 (96.9) | 79 (3.1) | ref | ||
| Moderate | 291 (9.1) | 225 (77.3) | 66 (22.7) | 9.05 (6.34–12.90) | <0.001 | |
| Severe | 401 (12.5) | 185 (46.1) | 216 (53.9) | <0.001 | 36.03 (26.87–48.78) | <0.001 |
| Respiratory Rate, Mean (SD) | 21.9 (5.0) | 21.7 (4.8) | 23.0 (6.5) | 0.020 | 1.04 (1.02–1.05) | <0.001 |
| Systolic Blood Pressure, Mean (SD) | 121.7 (21.6) | 121.6 (20.5) | 122.5 (28.6) | <0.001 | 1.00 (1.00–1.01) | 0.478 |
| Pulse Oxygen, Mean (SD) | 95.4 (7.5) | 96.2 (5.6) | 88.8 (14.3) | 0.006 | 0.92 (0.91–0.93) | <0.001 |
| Heart Rate, Mean (SD) | 88.0 (18.1) | 87.5 (17.1) | 91.9 (24.1) | <0.001 | 1.01 (1.01–1.02) | <0.001 |
| Transfer Status, N (%) | ||||||
| Not Transferred | 370 (11.5) | 341 (92.2) | 29 (7.8) | ref | ||
| Transferred | 684 (21.3) | 608 (88.9) | 79 (11.1) | 1.47 (0.95, 2.33) | 0.092 | |
| Unknown | 2155 (67.2) | 1899 (88.1) | 256 (11.9) | 0.069 | 1.59 (1.08, 2.41) | 0.024 |