Table 4.
Multivariate analysis of preoperative predictors for POP after elective cardiac surgery.
| Characteristic | Coefficient | Standard error | OR (95% CI) | P -value |
|---|---|---|---|---|
| Age (years) | 0.051 | 0.004 | 1.053 (1.044–1.062) | <0.001 |
| Smoking history | 0.572 | 0.092 | 1.772 (1.481–2.121) | <0.001 |
| Diabetes mellitus | 0.759 | 0.121 | 2.136 (1.685–2.708) | <0.001 |
| Chronic obstructive pulmonary disease | 0.736 | 0.110 | 2.087 (1.682-2.589) | <0.001 |
| Renal insufficiency | 0.758 | 0.119 | 2.135 (1.692–2.694) | <0.001 |
| Cardiac surgery history | 1.433 | 0.131 | 4.191 (3.245–5.414) | <0.001 |
| Hypertension | 0.463 | 0.095 | 1.589 (1.318–1.916) | <0.001 |
| Left ventricular ejection fraction (%) | −0.029 | 0.005 | 0.971 (0.962–0.980) | <0.001 |
| Intercept | −4.579 | 0.384 | 0.010 | <0.001 |
CI, confidence interval; OR, odds ratio; POP, postoperative pneumonia.