| Number of VSD | Location |
| ||||
| Perimembranous | Infundibular | Admission | Trabecular | Total (%) | ||
| Unique | 50 | 30 | 6 | 0 | 97.7 | |
| Multiple | 0 | 0 | 0 | 2 | 2.3 | |
| Total (%) | 56.8 | 34.1 | 6.8 | 2.3 | 100 | |