Table 2 Outcome variables in the two groups

Postextubation respiratory failure

16 (20%)

21 (27%)

0.2

Causes of respiratory failure

 Hypoxemia

11 (65%)

14 (67%)

0.6

 Respiratory rate >35

9 (54%)

14 (67%)

0.3

 Respiratory muscle fatigue

7 (47%)

8 (53%)

0.5

 Respiratory acidosis

2 (12%)

8 (36%)

0.08

 Low level of consciousness

3 (18%)

1 (5%)

0.2

Time-to-failure (h)

17 [7, 44]

21 [6, 44]

0.7

Reintubation within 72 h

9 (11%)

12 (16%)

0.5

Intensive care unit length of stay (days)

12 [7, 25]

14 [9, 17]

0.8

Intensive care unit mortality

6 (7.7%)

7 (9.0%)

0.9

Hospital length of stay (days)

27 [18, 54]

27 [18, 47]

1

Hospital mortality

12 (15.4%)

12 (15.6%)

1