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Table 3 Characteristics of patients with upper airway obstruction

From: Incidence of airway complications in patients using endotracheal tubes with continuous aspiration of subglottic secretions

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