Table 3.
Adjusted* odds ratios for death, surgical delay > 1 h and complications and geometric mean ratios for length of hospital stay, by trauma centre designation level
| Outcome; trauma centre level | No. (%) or mean ± SD | Crude OR or GMR (95% CI) | Adjusted OR or GMR (95% CI) |
|---|---|---|---|
| Death (n = 922) | |||
| I | 83 (26.0) | 1.00 | 1.00 |
| II | 76 (32.8) | 1.39 (0.96–2.01) | 1.35 (0.83 – 2.17) |
| III | 132 (46.6) | 2.49 (1.77–3.50) | 1.71 (1.03 – 2.85) |
| IV | 46 (52.3) | 3.11 (1.91–5.07) | 2.25 (1.08 – 4.73) |
| Surgical delay > 1 h (n = 732) | |||
| I | 195 (68.4) | 1.00 | 1.00 |
| II | 165 (79.3) | 1.89 (1.22–2.86) | 1.52 (0.94–2.44) |
| III | 141 (74.6) | 1.35 (0.89–2.04) | 1.19 (0.74–1.92) |
| IV | 38 (76.0) | 1.45 (0.73–2.94) | 1.15 (0.53–2.50) |
| Complications (n = 732) | |||
| I | 175 (61.4) | 1.00 | 1.00 |
| II | 111 (53.4) | 1.03 (0.77–1.39) | 0.48 (0.31 – 0.74) |
| III | 85 (44.9) | 0.71 (0.53–0.96) | 0.48 (0.30 – 0.75) |
| IV | 14 (28.0) | 0.41 (0.27–0.64) | 0.32 (0.15 – 0.70) |
| LOS, d (n = 583) | |||
| I | 25.5 ± 2.5 | 1.00 | 1.00 |
| II | 19.7 ± 2.5 | 0.78 (0.63–0.95) | 0.74 (0.62 – 0.90) |
| III | 12.1 ± 3.1 | 0.48 (0.39–0.58) | 0.50 (0.41 – 0.61) |
| IV | 5.95 ± 2.7 | 0.23 (0.17–0.32) | 0.28 (0.21 – 0.39) |
CI = confidence interval; GMR = geometric mean ratio; LOS = length of stay; OR = odds ratio; SD = standard deviation.
*
Adjusted for sex, systolic blood pressure, age, cardiopathies and coagulopathies, Glasgow Coma Scale score, maximum Abbreviated Injury Scale score to the trunk, limbs and head and penetrating injuries.