Clinical characteristics of study cohort
| Characteristics | No LVSD (n=31) | LVSD (n=13) | P value |
| Mean age±SD (range), years | 40.7±15.2 (24–68) | 36.5±14.5 (20–68) | 0.73 |
| Female, n (%) | 20 (65%) | 5 (38%) | 0.11 |
| Prior surgeries (n) | 52 (1.7 surgery/patient) | 33 (2.6 surgery/patient) | 0.03 |
| With history of significant PR, n (%) | 5 (16%) | 6 (46%) | 0.04 |
| With history of PV replacement, n (%) | 8 (26%) | 4 (31%) | 0.82 |
| With RVSD, n (%) | 8 (26%) | 9 (69%) | 0.01 |
| With ICD/pacemaker, n (%) | 2 (6%) | 7 (53%) | 0.01 |
| Average time±SD from initial repair to present analysis (range), years | 36.1±14.9 (2–68) | 33.7±12.7 (19–59) | 0.62 |
| Type II diabetes (%) | (6%) | (15%) | 0.41 |
| Stroke (%) | (0%) | (8%) | – |
| Hospital admission for heart failure, n (%) | 3 (10%) | 5 (38%) | 0.02 |
| Mean (±SD) QRS duration, ms | 144 (21.5) | 154 (33.2) | 0.33 |
ICD, implantable cardiac device; LVSD, left ventricular systolic dysfunction; PR, pulmonic regurgitation; PV, pulmonic valve; RVSD, right ventricular systolic dysfunction.