Onset of HF in patients per different diagnostic group
| Type of heart disease | Number of patients | Heart failure (%) | Timing of HF (median weeks of gestation) | IQR* |
|---|---|---|---|---|
| Aortic abnormality | 28 | 21 | 19 | (8–32) |
| Complete atrioventricular septal defect | 26 | 15 | 23 | (3–43) |
| Persistent ductus artriosus | 31 | 23 | 24 | (12–36) |
| Mitral stenosis | 79 | 31 | 25 | (13–37) |
| Ventricular septal defect | 113 | 4.4 | 25 | (2–48) |
| Atrial septal defect | 111 | 8.1 | 27 | (9–47) |
| Aortic coarctation | 77 | 7.6 | 30 | (15–44) |
| Hypertrophic obstructive cardiomyopathy* | 11 | 18 | 33 | (26–40) |
| Aortic stenosis and regurgitation* | 19 | 11 | 34 | (26–42) |
| Pulmonary valve abnormality* | 61 | 6.6 | 34 | (16–69) |
| Dilated cardiomyopathy | 32 | 34 | 35 | (20–48) |
| Mitral regurgitation | 86 | 21 | 37 | (24–50) |
| Mitral stenosis and regurgitation | 63 | 18 | 38 | (19–57) |
| Transposition of the great arteries* | 56 | 3.6 | 39 | (37–40) |
| Peripartum cardiomyopathy/myocarditis | 17 | 68 | 40 | (37–44) |
| Non obstructive hypertrophic cardiomyopathy | 16 | 31 | 40 | (16–66) |
| Tetralogy of Fallot | 119 | 4.2 | 41 | (34–48) |
| Ischaemic heart disease* | 25 | 8 | 42 | (41–42) |
*Range instead of IQR.
HF, heart failure.