Table 1.
Patient description
| Successful extubation (n = 35) |
Failed extubation (n = 17) |
P value | |
|---|---|---|---|
| Age, years (mean ± SD) | 65.2 ± 18.5 | 76.0 ± 6.4 | 0.023 |
| Sex, male/female, n | 24/11 | 8/9 | 0.263 |
| Ideal body weight, kg (mean ± SD) | 56.7 ± 9.1 | 58.4 ± 8.4 | 0.501 |
| Days on ventilator, days (mean ± SD) | 3.4 ± 2.7 | 4.5 ± 3.7 | 0.284 |
| Causes of ARF | |||
| COPD exacerbation, n (%) | 8 (22.9) | 10 (58.8) | 0.011 |
| Pneumonia, n (%) | 9 (25.7) | 6 (35.3) | 0.697 |
| Sepsis with ALI, n (%) | 3 (8.6) | 0 (0) | 0.542 |
| Multitrauma, n (%) | 3 (8.6) | 0 (0) | 0.542 |
| Postoperative, n (%) | 6 (17.1) | 0 (0) | 0.176 |
| Other, n (%) | 6 (17.1) | 1 (5.9) | 0.495 |
ALI, acute lung injury; ARF, acute respiratory failure; COPD, chronic obstructive pulmonary disease; SD, standard deviation.