Table 1.
Patient population characteristics
| Variables | Bilateral BCPS | Unilateral BCPS | p value |
|---|---|---|---|
| n (%) | n (%) | ||
| Number of patients | 40 (9.9) | 365 (90.1) | |
| Primary diagnosis | |||
| HLHS | 5 (12.5) | 118 (32.3) | 0.010 |
| Univentricular heart | 26 (65.0) | 72 (19.7) | < 0.001 |
| TA | 0 (0.0) | 63 (17.3) | 0.004 |
| DILV | 2 (5.0) | 48 (13.2) | 0.137 |
| PAIVS | 0 (0.0) | 19 (5.2) | 0.139 |
| ccTGA | 0 (0.0) | 17 (4.7) | 0.163 |
| Unbalanced AVSD | 2 (5.0) | 11 (3.0) | 0.499 |
| Other | 5 (12.5) | 17 (4.7) | 0.038 |
| Associated cardiac anomaly | |||
| TGA | 18 (45.0) | 122 (33.4) | 0.144 |
| DORV | 14 (35.0) | 41 (11.2) | < 0.001 |
| CoA | 5 (12.5) | 54 (14.8) | 0.696 |
| Dextrocardia | 13 (32.5) | 21 (5.8) | < 0.001 |
| Heterotaxy | 16 (40.0) | 13 (3.6) | < 0.001 |
| Azygos continuation | 7 (17.5) | 3 (0.8) | < 0.001 |
| TAPVC/PAPVC | 8 (20.0) | 17 (4.7) | < 0.001 |
| CAVV | 17 (42.5) | 22 (6.0) | < 0.001 |
| Dominant RV | 35 (87.5) | 200 (54.8) | < 0.001 |
| Extra-cardiac anomaly | 9 (23.1) | 34 (9.9) | 0.013 |
| Genetic anomaly | 2 (5.1) | 10 (2.9) | 0.448 |
BCPS bidirectional cavopulmonary shunt, HLHS hypoplastic left heart syndrome, TA tricuspid atresia, DILV double-inlet left ventricle, PAIVS pulmonary atresia with intact ventricular septum, ccTGA congenital corrected transposition of the great arteries, AVSD atrioventricular septal defect, TGA transposition of the great arteries, DORV double-outlet right ventricle, CoA coarctation of the aorta, TAPVC total anomalous pulmonary vein connection, PAPVC partial anomalous pulmonary vein connection, CAVV common atrioventricular valve, RV right ventricle
Bold indicates p < 0.05