Table 2 Multivariate Logistic Regression Analysis for Surgical Airway in the Development Dataset

Neck injury (AIS of 2 or higher)

 Yes

10.83

5.28–22.23

<  0.001

 No

Reference

–

–

Face injury (AIS of 2 or higher)

 Yes

4.83

3.24–7.21

<  0.001

 No

Reference

–

–

 Yes

2.63

1.62–4.26

<  0.001

 No

Reference

–

–

Male sex

1.67

1.01–2.76

0.047

ISS (per 1 point increase)

0.99

0.97–1.00

0.104

RTS (per 1 point increase)

0.96

0.85–1.08

0.483

Age group

 16–59 y

0.82

0.54–1.23

0.34

  ≥ 60 y

Reference

–

–

Admission to the tertiary emergency hospitals

0.59

0.35–1.00

0.05