Table 4 The potential risk factors of PRF in univariate analysis
Wald χ2 | P | OR (95% CI) | |
|---|---|---|---|
Pulmonary hypertension | 6.059 | 0.012 | 3.792 (1.421–10.203) |
Hypoproteinemia | 7.819 | 0.103 | 0.765 (0.212–1.231) |
Obstructive pulmonary disease | 4.782 | 0.024 | 1.119 (1.009–1.238) |
Bronchiectasis and emphysema | 11.029 | 0.001 | 4.949 (1.919–9.873) |
Previous history of respiratory failure | 9.783 | 0.002 | 6.098 (2.012–12.198) |