Characteristics | Upper airway obstruction (N:7) | Non-upper airway obstruction (N:79) | p value |
---|---|---|---|
Length of intubation (days), mean ± SD | 5.9 ± 2.8 | 6.0 ± 5.0 | 0.90 |
Attempts at intubation, mean ± SD | 2.3 ± 1.1 | 1.2 ± 0.5 | 0.001 |
Cormack–Lehane score II–IV (%) | 5 (71.4) | 7 (8.8) | < 0.001 |
Difficult intubation (%) | 5 (71.4) | 8 (10.1) | 0.001 |
Intubation outside the hospital (%) | 0 | 4 (5.1) | 0.70 |
Crude mortality (%) | 1 (14.3) | 6 (7.6) | 0.53 |