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.