Table 3. Logistic regression analysis of independent risk factors for VAE after cardiac surgery.
| Items | OR | 95% CI | P value |
|---|---|---|---|
| Chronic bronchitis | 3.841 | 1.031–76.828 | 0.046 |
| NYHA grade IV | 1.863 | 0.913–2.894 | 0.092 |
| LVEF <30% | 1.811 | 1.107–2.973 | 0.018 |
| CPB time | 4.849 | 2.317–9.851 | 0.007 |
| Aortic clamping time | 4.392 | 1.078–18.132 | 0.044 |
| Dosage of blood products | 19.654 | 7.338–41.368 | 0.000 |
| AKI | 4.014 | 2.075–26.781 | 0.023 |
| Reintubation | 3.667 | 1.309–11.142 | 0.017 |
| Mechanical ventilation time | 25.144 | 8.512–50.310 | 0.000 |
VAE, ventilator-associated event; OR, odds ratios; CI, confidence intervals; LVEF, left ventricle ejection fraction; AKI, acute kidney injury; NYHA, New York Heart Association.