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