Table 2 Main outcomes in the weaning success and weaning failure groups. Data are median (interquartile range) or no./total (%). LOS, length of stay.

From: Mechanical power is associated with weaning outcome in critically ill mechanically ventilated patients

Weaning outcome

All

Weaning success

Weaning failure

p value

(n = 3695)

(n = 2274)

(n = 1421)

Weaning success

2274 (61.5)

2274 (100.0)

Weaning failure

1421 (38.5)

1421 (100.0)

Duration of ventilation (days)

3.7 (1.8–8.1)

2.5 (1.5–4.8)

7.3 (4.0–11.8)

 < 0.001

ICU LOS (days)

6.8 (4.0–11.8)

5.2 (3.4–8.6)

10.2 (6.6–15.6)

 < 0.001

Hospital LOS (days)

14.8 (9.0–23.3)

13.0 (8.3–21.0)

17.8 (11.2–27.0)

 < 0.001

28-day reintubation

531 (14.4)

118 (5.2)

413 (29.1)

 < 0.001

28-day mortality

693 (18.8)

282 (12.4)

411 (28.9)

 < 0.001

28-day ventilator-free days

23.2 (14.3–26.0)

25.3 (21.5–26.5)

17.2 (1.5–22.6)

 < 0.001