Demographics, form of atrial isomerism, age at diagnosis and current status
| Number of patients | 35 |
| Gender, male | 23/35 (66%) |
| Left atrial isomerism | 13/35 (37%) |
| Right atrial isomerism | 22/35 (63%) |
| Fetal diagnosis | 17/35 (49%) |
| Age at Diagnosis | 2.5 days (<1 day to 19 months) |
| Biventricular repair | 5/35 (14%) |
| Univentricular circulation | 30/35 (86%) |
| Glenn | 11 |
| Fontan | 10 |
| NYHA Classification | |
| I | 23/28 (82%) |
| II | 0/28 (0%) |
| III | 2/28 (7%) |
| IV | 3/28 (11%) |
| Transplantation | 1/35 (3%) |
| Death | 6/35 (17%) |
The number (percentage) or median (range) are reported.
NYHA, New York Heart Association.