Table 3 Sensitivity analyses. In-hospital mortality amongst subgroups of trauma patients (reference: Normoxemia)

 Survival beyond 24 h

Propensity score (IPTW)

0.63 [0.52–0.75]

< 0.0001

 GCS < 8

Without adjustment

0.55 [0.43–0.71]

< 0.0001

Propensity score (IPTW)

0.69 [0.53–0.89]

0.005

 Mechanically ventilated patients

Without adjustment

0.52 [0.42–0.65]

< 0.0001

Propensity score (IPTW)

0.62 [0.50–0.77]

< 0.0001

 PaO₂/FiO₂ ≥ 300

Without adjustment

0.32 [0.27–0.38]

< 0.0001

Propensity score (IPTW)

0.74 [0.62–0.88]

0.0007

 PaO₂ ≥ 100 mmHg

Without adjustment

1.03 [0.86–1.25]

0.73

Propensity score (IPTW)

0.54 [0.46–0.64]

< 0.0001

 PaO₂ ≥ 200 mmHg

Without adjustment

1.38 [1.15–1.65]

0.0005

Propensity score (IPTW)

0.72 [0.59–0.87]

0.0006