Table 4 Assessment of patient characteristics, leading cause of respiratory failure, and long-term ventilation history as weaning predictors
Factor | Weaning success n = 60 | Weaning failure n = 64 | OR [95% KI] | p value |
|---|---|---|---|---|
Age (years) | ||||
Mean ± SD | 68 ± 12 | 69 ± 12 | 0.94 [0.70, 1.28] | 0.71 |
Median (IQR) | 69 (61–77) | 71 (62–78) | ||
Min–max | 31–85 | 39–88 | ||
Gender, n (%) | ||||
Female | 28 (55%) | 23 (45%) | 1 | 0.23 |
Male | 32 (44%) | 41 (56%) | 0.64 [0.31, 1.32] | |
Leading cause of respiratory insufficiency, n (%) | ||||
AECOPD | 22 (42%) | 30 (58%) | 1 | 0.38 |
Pneumonia | 18 (62%) | 11 (38%) | 2.23 [0.88, 5.66] | |
Sepsis | 8 (50%) | 8 (50%) | 1.36 [0.44, 4.20] | |
Other | 12 (44%) | 15 (56%) | 1.09 [0.43, 2.79] | |
Long-term HMV prior to current weaning episode, n (%) | ||||
None | 56 (58%) | 41 (42%) | 1 | 0.0004 |
Yes | 4 (15%) | 23 (85%) | 0.13 [0.04, 0.40] | |