Patients baseline characteristics
| Patient characteristic | All (n=181) | Alive (n=161) | Dead (n=20) | p Value |
| Age (years) | 36.9±12.1 | 36.2±11.1 | 42.1±17.7 | 0.16 |
| Gender (% male) | 35.9% | 34.2% | 50.0% | 0.25 |
| Underlying defect | ||||
| Pre-tricuspid | 7.4% | 7.6% | 5.3% | |
| Post-triscuspid | 44.7% | 45.9% | 36.8% | |
| Complex defect | 47.9% | 46.5% | 57.9% | 0.82 |
| Down syndrome | 31% | 30% | 35% | 0.87 |
| WHO class | ||||
| 1 | 10.4% | 11.4% | 0% | |
| 2 | 26.7% | 26.0% | 33.3% | |
| 3 | 61.4% | 61.8% | 58.4% | |
| 4 | 1.5% | 0.8% | 8.3% | 0.12 |
| 6 min walk test distance (m) | 339±135 | 352±128 | 233±155 | 0.09 |
| Oxygen saturation in air | 83.1±6.7% | 83.7±6.6% | 78.4±6.4% | 0.03 |
| Haemoglobin (g/dl) | 19.2±3.3 | 19.2±3.2 | 19.2±3.7 | 0.97 |
| Creatinine (μmol/l) | 88.6±28.1 | 85.5±20.8 | 115.9±57.2 | 0.04 |
| B-type natriuretic peptide (pg/ml) | 97.6±150.3 | 80.3±111.7 | 236.9±293.0 | 0.03 |
Significant p-values are given in bold.
Values represent mean±SD.
p Values are for comparison between patients who are alive and those who died during follow-up.
WHO, World Health Organization functional class.