Association of VSD with other cardiac abnormalities
| Number of defects | |||
|---|---|---|---|
| Paediatric group | Adult group | Overall | |
| Isolated VSD | 657 (78.6%) | 470 (76.8%) | 1127 (77.8%) |
| Perimembranous | 461 (55.1%) | 401 (65.5%) | 862 (59.5%) |
| Muscular | 196 (23.4%) | 69 (11.3%) | 265 (18.3%) |
| One associated abnormality | 150 (17.9%) | 134 (21.9%) | 284 (19.6%) |
| Two associated abnormalities | 27 (3.2%) | 8 (1.3%) | 35 (2.4%) |
| Three associated abnormalities | 2 (0.2%) | 0 | 2 (0.1%) |
| Total | 836 | 612 | 1448 |