Table 2.
Baseline characteristics of follow-up cohort
| Group A (n = 403) | Group B (n = 438) | Group C (n = 590) | P value | |
|---|---|---|---|---|
| Age (d) (median, IQR) | 204 (69-541) | 196 (90-649) | 191 (67-557) | .203 |
| Male (%) | 28.7% | 32.7% | 38.6% | .061 |
| Weight, kg (median, IQR) | 7 (4.7-10) | 7 (4.9-11) | 6.8 (4.4-10) | .061 |
| Primary diagnosis | ||||
| Tetralogy of Fallot | 119 (29.5%) | 136 (31.1%) | 165 (28.0%) | .559 |
| Total anomalous pulmonary vein drainage | 53 (13.2%) | 66 (15.1%) | 59 (11.2%) | .184 |
| Coarctation/VSD | 54 (13.4%) | 55 (12.6%) | 100 (16.9%) | .103 |
| Double outlet right ventricle | 43 (10.7%) | 38 (8.7%) | 54 (9.2%) | .586 |
| Pulmonary atresia | 32 (7.9%) | 33 (7.5%) | 77 (13.1%) | .004 |
| Transposition of great arteries | 25 (6.2%) | 27 (6.2%) | 38 (6.4%) | .980 |
| Single ventricle | 18 (4.5%) | 20 (4.6%) | 26 (4.4%) | .993 |
| Atrioventricular septal defect | 35 (8.7%) | 30 (6.8%) | 31 (5.3%) | .104 |
| Interrupted aortic arch | 11 (2.7%) | 9 (2.1%) | 13 (2.2%) | .790 |
| Miscellaneous | 13 (3.2%) | 24 (5.5%) | 20 (3.4%) | .156 |
| Operation type | ||||
| Biventricular repair | 353 (87.6%) | 385 (87.9%) | 498 (84.4%) | .191 |
| Palliative operation | 34 (8.4%) | 37 (8.8%) | 77 (13.1%) | .019 |
| Sing ventricle repair | 16 (4.0%) | 16 (3.3%) | 15 (2.4%) | .405 |
Values are n (%) or median (IQR). IQR, Interquartile range; VSD, ventricular septal defect.