Table 4. Predictors of overall postoperative mortality (n = 52).
| Variables | Crude HR (95%CI) | p-value | Adjusted HR (95%CI) | p-value |
|---|---|---|---|---|
| Male gender | 0.69 (0.29–1.66) | 0.42 | ||
| Presence of associated anomaly | 2.06 (0.87–4.66) | 0.09 | 1.52 (0.59–3.87) | 0.38 |
| DiGeorge syndrome | 1.16 (0.39–3.45) | 0.78 | ||
| Prenatal diagnosis | 1.65 (0.38–7.14) | 0.49 | ||
| Weight at operation <4 kg. | 3.18 (1.31–7.71) | 0.01* | 2.71 (1.05–6.95) | 0.039* |
| TA type II and III | 0.59 (0.25–1.43) | 0.25 | ||
| Presence of moderate and severe truncal valve regurgitation | 2.26 (0.66–7.78) | 0.19 | ||
| Presence of pulmonary artery stenosis | 0.63 (0.18–2.17) | 0.47 | ||
| Presence of interrupted aortic arch | 4.66 (0.59–36.41) | 0.14 | ||
| Presence of partial anomalous pulmonary venous return | 0.04 (0-24.57) | 0.33 | ||
| Presence of coronary abnormalities | 1.61 (0.54–4.81) | 0.38 | ||
| Pulmonary artery banding prior to repair | 0.71 (0.09–5.3) | 0.79 | ||
| Preoperative major infection within 1 month | 2.42 (1.0–6.04) | 0.05* | 1.23 (0.42–3.61) | 0.69 |
| Preoperative being on mechanical ventilator | 1.1 (0.15–8.61) | 0.88 | ||
| Operation in 1997–2006 | 1.39 (0.56–3.45) | 0.47 | ||
| CBP time >150 min | 0.45 (0.15–1.32) | 0.14 | ||
| Intraoperative usage of inhaled nitric oxide | 2.24 (0.87–5.71) | 0.09 | 1.71 (0.62–4.71) | 0.29 |
Notes.
Univariate and multivariate analysis by Cox regression.
*Statistically significant at p-value < 0.05.
- HR
- hazard ratio
- TA
- truncus arteriosus
- CBP
- cardiopulmonary bypass