Percentage changes in area of atrial septal defects according to the morphological feature of the defects
| % Change in area (mean (SD)) | |||
|---|---|---|---|
| Morphological feature | Present | Absent | p Value |
| Aneurysmal septum primum | 63.2 (19.3), n=11 | 60.4 (15.6), n=30 | 0.64 |
| Attenuated anterior rim | 67.3 (10.9), n=13 | 58.2 (18.0), n=28 | 0.10 |