None | Mild | Moderate | Severe | Missing assessment | |
---|---|---|---|---|---|
Group A: <3 months old, nā=ā21 | |||||
Before balloon valvoplasty | 19 | 2 | 0 | 0 | 0 |
Immediately after balloon valvoplasty | 5 | 10 | 2 | 1 | 3 |
At latest follow up | 3 | 8 | 6 | 1 | 3 |
Group B: >3 months old, nā=ā49 | |||||
Before balloon valvoplasty | 26 | 23 | 0 | 0 | |
Immediately after balloon valvoplasty | 14 | 29 | 6 | 0 | |
At latest follow up | 9 | 25 | 10 | 5 |