| Crude OR (95%CI) | P value | Adjusted OR* (95%CI) | P value |
---|---|---|---|---|
Systemic diagnosis | Â | 0.691 | Â | 0.581 |
 Cardiac | 4.02 (0.53–30.70) |  | 4.98 (0.61–40.90) |  |
 Gastrointestinal | 2.82 (0.33–24.40) |  | 3.65 (0.39–33.90) |  |
 Respiratory | 10.70 (1.19–95.70) |  | 14.10 (1.46–135.00) |  |
 Other | ref |  | ref |  |
Underlying respiratory disease or pneumonia occurrence during mechanical ventilation | 2.56 (1.30–5.06) | 0.007 | 2.58 (1.30–5.13) | 0.007 |
Underlying or new occurrence of heart failure during mechanical ventilation | 0.97 (0.46–2.03) | 0.928 | 0.97 (0.46–2.04) | 0.934 |
Rapid shallow breathing index | 1.01 (0.99–1.02) | 0.425 | 1.01 (0.99–1.02) | 0.506 |
Fluid balance during the 24 h before extubation | 1.00 (1.00–1.00) | 0.843 | 1.00 (1.00–1.00) | 0.780 |
Number of endotracheal suctioning episodes during the 24 h before extubation | 1.09 (1.03–1.15) | 0.002 | 1.11 (1.05–1.18) | < 0.001 |
Duration of mechanical ventilation | 1.00 (0.99–1.00) | 0.646 | 1.00 (0.99–1.00) | 0.652 |