Outcome | Unadjusted OR (95% CI) | P value | Adjusted OR (95% CI) | P value |
 Weaning failure (Category 3c) | 1.689 (1.085–2.629) | 0.020 | – | n.s.a |
 Hospital mortality | 3.168 (1.625–6.177) | 0.001 | 2.050 (0.995–4.224) | 0.052a |
 Nosocomial infections | 2.522 (1.625–6.177) | <  0.001 | – | n.s.a |
Outcome | Unadjusted β (95% CI) | P value | Adjusted β (95% CI) | P value |
 Weaning duration | 12.386 (9.335–15.436) | <  0.001 | 12.386 (9.335–15.436) | <  0.001b |
 Hospital length of stay | 18.664 (11.464–25.864) | <  0.001 | 16.116 (8.925–23.306) | < 0.001b |