The relationship of poor outcome with 16 variables including timing of diagnosis, cardiac anatomy and function, arrhythmias, number of interventions, splenic tissue and sepsis
| Variable | Number of patients | Number of patients with poor outcome | χ2 | p Value |
|---|---|---|---|---|
| Isomerism | ||||
| Right | 22 | 9 | 1.153 | 0.283 |
| Left | 13 | 3 | ||
| Timing of diagnosis | ||||
| Antenatal | 17 | 6 | 0.607 | 0.895 |
| Days 1–7 | 12 | 4 | ||
| >7 days | 1 | 0 | ||
| >1 month | 5 | 2 | ||
| Cardiac situs | ||||
| Levocardia | 16 | 3 | 3.469 | 0.177 |
| Dextrocardia | 16 | 8 | ||
| Mesocardia | 3 | 1 | ||
| Aortic arch | ||||
| Left | 22 | 7 | 0.160 | 0.689 |
| Right | 13 | 5 | ||
| Systemic venous drainage | ||||
| Intact IVC+single SVC | 10 | 4 | 1.887 | 0.596 |
| Interrupted IVC+single SVC | 8 | 2 | ||
| Intact IVC+bilateral SVCs | 11 | 5 | ||
| Interrupted IVC+bilateral SVCs | 6 | 1 | ||
| Hepatic venous drainage | ||||
| To IVC | 6 | 2 | 3.183 | 0.364 |
| To right atrium | 10 | 2 | ||
| To common atrium | 17 | 8 | ||
| Mixed | 2 | 0 | ||
| APVD | ||||
| No APVD | 21 | 7 | 2.452 | 0.484 |
| Partial APVD | 3 | 0 | ||
| Total APVD-not obstructed | 8 | 4 | ||
| Total APVD-supracardiac/cardiac obstructed | 3 | 1 | ||
| Total APVD-infradiaphragmatic obstructed | 0 | 0 | ||
| Intracardiac anatomy | ||||
| Biventricular | 5 | 0 | 3.044 | 0.081 |
| Univentricular | 30 | 12 | ||
| Pulmonary atresia | ||||
| Absent | 29 | 9 | 0.794 | 0.373 |
| Present | 6 | 3 | ||
| Cardiomyopathy | ||||
| Absent | 34 | 11 | 1.973 | 0.160 |
| Present | 1 | 1 | ||
| AV valve dysfunction | ||||
| Mild | 21 | 5 | 6.794 | 0.033 |
| Moderate | 11 | 4 | ||
| Severe | 3 | 3 | ||
| Systemic ventricular impairment | ||||
| Mild | 27 | 6 | 8.370 | 0.015 |
| Moderate | 6 | 4 | ||
| Severe | 2 | 2 | ||
| Arrhythmias | ||||
| Absent | 29 | 9 | 0.794 | 0.373 |
| Present | 6 | 3 | ||
| Surgeries/procedures | ||||
| 0 | 2 | 2 | 6.121 | 0.106 |
| 1 | 3 | 2 | ||
| 2 | 5 | 1 | ||
| 3 or more | 25 | 7 | ||
| Spleen | ||||
| Present | 10 | 3 | 0.125 | 0.940 |
| Asplenic | 22 | 8 | ||
| Polysplenic | 3 | 1 | ||
| Sepsis | ||||
| No sepsis | 27 | 7 | 3.664 | 0.056 |
| Sepsis | 8 | 5 | ||
APVD, anomalous pulmonary venous drainage; AV, atrioventricular; IVC, inferior vena cava; SVC, superior vena cava.