Associated anomalies with CDO (n=71*)
| Associated cardiac anomaly | 49 (48) |
| Isolated PDA | 6 (6) |
| PDA with other structural cardiac anomaly | 19 (19) |
| VSD | 17(17) |
| PFO | 15(15) |
| ASD | 10(10) |
| AVSD | 4 (4) |
| Tetralogy of Fallot | 3 (3) |
| Coarctation of aorta/hypoplasia | 2 (2) |
| Other | 11 (11) |
| Annular pancreas | 13 (13) |
| Biliary tree anomaly | 1 (1) |
| Abnormal rotation | 22 (21) |
| Other gastrointestinal anomaly | 16 (16) |
| Anorectal malformation | 6 (6) |
| OA with TOF | 5 (5) |
| Isolated OA | 4 (4) |
| Meckel’s diverticulum | 2 (2) |
| Ileal atresia | 2 (2) |
| Cloaca anomaly | 1 (1) |
| Hirschsprung’s disease | 0 (0) |
| Genetic/chromosomal anomaly | 38 (37) |
| Trisomy 21 | 33 (32) |
| Other | 5 (5) |
| Other structural anomalies | 16 (16) |
| Renal | 5 (5) |
| Limb | 3 (3) |
| Spine | 2 (2) |
| Other | 11 (11) |
Data are n(%).
*Note that infants may have multiple anomalies; therefore, figures add up to more than 100%.
ASD, atrial septal defect; AVSD, atrioventricular septal defect; OA, oesophageal atresia; PDA, patent ductus arteriosus; PFO, patent foramen ovale; TOF, tracheo-oesophageal fistula; VSD, ventricular septal defect.