| SGH ICC patients (n=101) | Long QT Syndrome patients (n=51) | HCM patients (n=506) | ARVC patients (n=106) | Brugada Syndrome patients (n=220) | |
| Follow-up (months; mean±SD) | 74±53 | 87 | 44±33 | 58±35 | 38±27 |
| Appropriate therapy (%) | 26 | 24 | 20 | 24 | 8 |
| Inappropriate therapy (%) | 18 | 29 | 27 | 19 | 20 |
| Lead failure (%) | 21 | 25 | 7 | 2 | 9 |
| Complication rate excluding lead failure (%) | 26 | 31 | n/a | 34 | 20 |