| Gender (Male) | 82 (49%) | 53 (50%) | 7 (33%) | 20 (57%) | 2 (40%) |
| Overall current age (mean yrs) | 29 (+/-5.2) | 32 (+/-5.7) | 26 (+/-3.4) | 25 (+/-3.2) | 24 (+/-2.2) |
| Arrhythmia current age (mean yrs) | 34 (+/-10.8) | 36 (+/-10.3) | 28 (+/-6.6) | 27 (+/-12.6) | 23 (+/-3.0) |
| Overall age at Fontan (mean yrs) | 9 (+/-8.2) | 10 (+/-3.7) | 6 (+/-3.7) | 10 (+/-4.5) | 11 (+/-4) |
| Arrhythmia age at Fontan (mean yrs) | 12 (+/-10.1) | 12 (+/-10.3) | 9 (+/-3.9) | 14 (+/-12.6) | 12 (+/-12.3) |
| Arrhythmia | 69 (42%) | 55 (52%) | 4 (19%) | 8 (23%) | 2 (40%) |
| DCCV (no per patient) | 42 (1-14) | 34 (1-14) | 3 (1-3) | 4 (1-9) | 1 (3) |
| Ablation (no per patient) | 31 (1-4) | 30 (1-4) | 0 | 1 | 0 |
| Mortality | 21 (13%) | 15 (9%) | 1 (0.6%) | 4 (2%) | 1 (0.6%) |