| ID | Sex | Age at diagnosis (years) | Symptoms | FHx | Histology | ECG | Echocardiogram (mm) | Haemodynamics (mm Hg) | |||||||
| IVS (z-score) | LVPW (z-score) | LVEDD (z-score) | LA (z-score) | FS (%) | E/A | LVEDP/PCWP | MPAP | ||||||||
| Sarcomeric | H906 | F | 7 | NYHA III, CP | No | Disarray | SR, BAE, ST-T abnormalities, Q waves | 6 (+1.4) | 7 (+2.79) | 30 (−0.4) | 50 (+10.8) | 28 | 1.5 | 28 | 51 |
| H1685 | F | 6.4 | NYHA III, CP | No | Disarray, dysplastic coronaries | SR, BAE, ST-T abnormalities | 6 (+0.77) | 6 (+1.04) | 31 (−1.6) | 53 (+11.0) | 39 | 1.9 | 31 | – | |
| H1703 | M | 3.5 | NYHA III | No | Fibrosis, myocyte vacuolation | SR | – | – | – | – | – | – | 18 | 24 | |
| H1710 | F | 8.2 | NYHA III | DCM | – | SR, BAE, IVCD, ST-T abnormalities | 5 (−0.71) | 4 (−2.16) | 44 (+2.9) | 42 (+6.6) | 29 | – | 22 | 45 | |
| Non-sarcomeric | H1405 | F | 14.4 | NYHA II, syncope | LVNC | – | SR, BAE, ST-T abnormalities | 6 (−1.6) | 8 (+0.77) | 52 (+1.7) | 53 (+7.32) | 25 | – | 28 | 42 |
| H1603 | F | 0.9 | NYHA III | No | – | SR, ST-T abnormalities | 3.6 (−0.66) | 3 (−1.48) | 25 (−0.1) | 31 (+5.14) | 26 | 3.5 | 23 | 19 | |
| H1647 | M | 4.7 | NYHA II, presyncope | RCM | Fibrosis, myofibre inclusions | SR, BAE, ST-T abnormalities, Q waves, RBBB | 7 (+1.13) | 6 (−0.1) | 37 (−1.2) | 45 (+6.81) | 30 | 2.67 | 21 | 21 | |
| H1649 | F | 4.7 | NYHA II, CP | RCM | Fibrosis, myocyte vacuolation | SR, BAE, ST-T abnormalities, RBBB | 6 (+1.42) | 4 (−1.1) | 32 (+0.3) | 37 (+6) | 31 | 1.81 | 26 | 33 | |
| H1650 | F | 2.2 | NYHA II, syncope | No | – | SR, BAE, ST-T abnormalities | 7 (+2.36) | 6 (+1.44) | 35 (+0.7) | 41 (+7) | 40 | 2.57 | 32 | 45 | |
| H1662 | F | 3.4 | NYHA II | No | – | SR, BAE, ST-T abnormalities | – | – | – | – | – | – | 25 | 23 | |
| H1683 | F | 5.5 | NYHA III, syncope | No | Fibrosis | SR, BAE, ST-T abnormalities, Q waves, IVCD | 5 (−0.38) | 5 (−0.3) | 43 (+2.98) | 57 (+12.4) | 34 | 2.0 | 15 | 35 | |
| H1684 | M | 14.7 | NYHA II, presyncope | No | Disarray | AFL, BAE, ST-T abnormalities, IVCD | 6 (−1.83) | 6 (−2.46) | 48 (−0.3) | 55 (+8.23) | 35 | 1.72 | 29 | 39 | |
AFL, atrial flutter; BAE, biatrial enlargement; CP, chest pain; DCM, dilated cardiomyopathy; Dx, diagnosis; FHx, family history of cardiomyopathy; FS, fractional shortening; IVCD, intraventricular conduction delay; IVS, interventricular septum; LA, left atrial dimension; LVEDD, left ventricular end-diastolic dimension; LVEDP, left ventricular end-diastolic pressure; LVNC, left ventricular non-compaction; LVPW, left ventricular posterior wall; MPAP, mean pulmonary artery pressure; NYHA, New York Heart Association; PCWP, pulmonary capillary wedge pressure; PVRI, pulmonary vascular resistance index; RBBB, right bundle branch block; RCM, restrictive cardiomyopathy; SR, sinus rhythm; TPG, transpulmonary gradient; WU, Woods units.