Table 4 Comparison of demographic and CMR data for subjects with and without ventricular arrhythmias during follow-up
Ventricular arrhythmia (n = 37) | No ventricular arrhythmia (n = 36) | p-value | |
|---|---|---|---|
Demographics and clinical | |||
Age (years) | 34.3 ± 13.6 | 34.2 ± 13.6 | 0.85 |
Male sex (%) | 25 (67.6) | 12 (33.3) | 0.005 |
Gene positive (%) | 17 (46.0) | 18 (50.0) | 0.82 |
VT prior to CMR (%) | 25 (67.6) | 4 (11.1) | < 0.001 |
RV CMR findings | |||
RV WMA (%) | 34 (91.9) | 20 (55.6) | < 0.001 |
RV Fat (%) | 14 (37.8) | 8 (22.2) | 0.20 |
RV LGE (%) | 11 (29.7) | 2 (5.6) | 0.012 |
RVEDVI (mL/m2) | 119.7 ± 30.2 | 93.4 ± 25.9 | < 0.001 |
RVEF (%) | 37.5 ± 7.8 | 46.0 ± 10.3 | < 0.001 |
LV CMR findings | |||
LV WMA (%) | 5 (13.5) | 4 (11.1) | 1.000 |
LV fat (%) | 17 (45.9) | 8 (22.2) | 0.048 |
LV fat in a bite pattern (%) | 12 (32.4) | 2 (5.6) | 0.006 |
LV LGE (%) | 18 (48.7) | 9 (25.0) | 0.052 |
LV fat and/or LGE (%) | 20 (54.1) | 11 (30.6) | 0.059 |
LVEDVI (mL/m2) | 93.8 ± 21.7 | 84.7 ± 16.6 | 0.011 |
LVEF (%) | 53.8 ± 6.8 | 54.4 ± 6.5 | 0.45 |
Low LVEF (< 50%) (%) | 10 (27.0) | 8 (22.2) | 0.79 |
Any LV Involvement | 22 (59.5) | 15 (41.7) | 0.16 |
CMR task force criteria | |||
Any TFC for CMR (%) | 34 (92.2) | 13 (35.9) | < 0.001 |
TFC for CMR major (%) | 30 (81.1) | 10 (27.8) | < 0.001 |
TFC for CMR minor (%) | 4 (11.1) | 3 (8.1) | 1.000 |
Total TFC Score | 7 (IQR 6–8) | 5 (IQR 5–6) | < 0.001 |