Table 4.
Multivariate logistic regression of in-hospital mortality using RACHS-1 categories (n=491).
| OR | 95%CI | P-value | ||
|---|---|---|---|---|
| Lower | Upper | |||
| RACHS-1 category | 0.001 | |||
| 1 | 1.000 | - | ||
| 2 | 0.998 | 0.297 | 3.351 | 0.997 |
| 3 | 4.050 | 1.444 | 11.353 | 0.008 |
| 4 | 2.844 | 0.825 | 9.801 | 0.098 |
| 5/6 | 10.970 | 2.173 | 55.378 | 0.004 |
| Age group | 0.000 | |||
| ≤ 30 days | 13.132 | 5.357 | 32.187 | 0.000 |
| 30 days - 1 year | 3.678 | 1.720 | 7.867 | 0.001 |
| 1 - 18 years | - | |||
| Prematurity | 0.865 | 0.331 | 2.260 | 0.767 |
| Major noncardiac structural anomaly | 6.962 | 0.094 | 515.096 | 0.377 |
| Combination procedure | 1.325 | 0.490 | 3.587 | 0.579 |
OR=odds-ratio; 95%CI=95% confidence interval; RACHS-1=risk adjustment for congenital heart surgery 1.
Nagelkerke's R2 of 0.249. Mean standardized residuals of -0.004±0.956, P=0.921 from 0.
Area under the receiver-operator characteristic (ROC) curve of 0.793, P<0.001 for the model.