| Diagnostic imaging/Diameter of ductus | Frequencies (n = 86) | Percentage (%) | |
| X-ray | Cardiomegaly | 84 | 97.67 |
| Increased pulmonary vascularity | 74 | 86.04 | |
| Normal x-ray | 2 | 2.32 | |
| Echocardiography | Right ventricular hypertrophy | 3 | 3.49 |
| Left ventricular hypertrophy | 55 | 63.95 | |
| Left ventricle dilatation | 73 | 84.88 | |
| Pulmonary hypertension | 63 | 73.25 | |
| Diameter of ductus (mm) | ≤3 | 8 | 9.30 |
| 3 - 5 | 45 | 52.32 | |
| 6 - 9 | 27 | 31.39 | |
| ≥10 | 6 | 6.98 | |