Basic clinical and surgical characteristics
| Variable | All patients (n=168) | Serious adverse event outcome (n=26) | No such outcome (n=142) | p Value |
| Mean age at repair | 5.2±8.8 | 9.7±10.8 | 4.5±8.3 | 0.01 |
| Mean age at last follow-up visit | 34.1±11.7 | 47.4±14.3 | 31.7±9.3 | <0.001 |
| Gender, male | 92 (54.8) | 20 (76.9) | 72 (50.7) | 0.02 |
| Prior palliative shunt | 54 (32.1) | 9 (34.6) | 45 (31.6) | 0.43 |
| Repair details | ||||
| Patch repair | 79 (72.4) | 9 (34.6) | 70 (49.3) | 0.77 |
| Conduit repair | 26 (23.9) | 2 (7.7) | 24 (16.9) | |
| Redo surgery required | 27 (16.1) | 5 (19.2) | 22 (15.4) | 0.26 |
| PVR | 101 (60.1) | 14 (54) | 87 (61) | 0.66 |
| Mean age at PVR, years | 25.6±12 | 37.3±18.3 | 23.8±9.6 | 0.02 |
| Second PVR required | 10 (6.0) | 2 (7.7) | 8 (5.6) | 0.63 |
| Mean age at second PVR, years | 26.4±6.9 | 22.0±4.2 | 27.5±7.2 | 0.34 |
PVR, pulmonary valve replacement.