Table 1:
Characteristics of the study population
| Primary Repair (n=131) | Staged Repair (n=193) | p | |
|---|---|---|---|
| Center * | <0.001 | ||
| 1 | 65% (11) | 35% (6) | |
| 2 | 64% (68) | 36% (37) | |
| 3 | 33% (16) | 67% (33) | |
| 4 | 23% (5) | 77% (17) | |
| 5 | 29% (22) | 71% (52) | |
| 6 | 16% (9) | 84% (48) | |
| Prematurity (<37 weeks gestation) | 17% (22) | 25% (48) | 0.08 |
| Gestational age | 38.5 (IQR: 37.0–39.4) | 38.3 (36.7–39.1) | 0.11 |
| Birth weight | 2.9 (IQR: 2.4–3.3) | 2.9 (IQR: 2.4–3.3) | 0.23 |
| Anatomic diagnosis | 0.35 | ||
| Tetralogy of Fallot with pulmonary stenosis | 48% (63) | 53% (103) | |
| Tetralogy of Fallot with pulmonary atresia | 52% (68) | 47% (90) | |
| 22q11.2 microdeletion (DiGeorge) syndrome | 11% (36) | 8% (10) | 0.10 |
| Non-cardiac co-morbidities | 10% (13) | 12% (23) | 0.58 |
| Invasive ventilation prior to index procedure | 15%(19) | 27% (53) | 0.006 |
*
For Center, percentages are percentage of subjects with primary repair vs. staged repair (row percentages). For the rest of the table percentages refer to the percentage within primary or staged repair subjects (column percentages).