Supplemental Table 3.
24h-ECG results of arrhythmogenic right ventricular cardiomyopathy (ARVC) and control group, with a cut-off of ≥ 50, ≥ 100 and ≥ 200 ventricular premature complexes (VPC), respectively.
| Parameter | ARVC: Cut-off ≥ 50 VPC | ARVC: Cut-off ≥ 100 VPC | ARVC: Cut-off ≥200 VPC | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ARVC (n = 46) | Controls (n = 85) | p-value | ARVC (n = 43) | Controls (n = 88) | p-value | ARVC (n = 40) | Controls (n = 91) | p-value | |
| Time 24h-ECG (h) | 24.4 ± 1.0 | 24.4 ± 1.1 | 0.821 | 24.3 ± 1.0 | 24.4 ± 1.0 | 0.473 | 24.3 ± 1.0 | 24.4 ± 1.0 | 0.583 |
| Mean HR (bpm) | 92 ± 17 | 92 ± 24 | 0.902 | 93 ± 18 | 91 ± 24 | 0.708 | 93 ± 18 | 91 ± 24 | 0.717 |
| VPC present | 46 (100%) | 79 (92.9) | 0.090 | 43 (100%) | 82 (93.2%) | 0.177 | 40 (100%) | 85 (93.4%) | 0.177 |
| Number VPC | 2339 ± 3129 | 624 ± 2051 | 0.000 | 2498 ± 3177 | 605 ± 2018 | 0.000 | 2673 ± 3228 | 590 ± 1986 | 0.000 |
| Polymorphic VPC | 41 (91.1) | 53 (67.1%) | 0.002 | 38 (90.5%) | 56 (68.3%) | 0.007 | 35 (89.7%) | 59 (69.4%) | 0.014 |
| VPC negative lead I | 20 (45.5%) | 27 (34.2%) | 0.248 | 20 (48.8%) | 27 (32.9%) | 0.115 | 19 (50.0%) | 28 (32.9%) | 0.107 |
| VPC positive lead II | 18 (40.9%) | 34 (43.0%) | 0.851 | 18 (43.9%) | 34 (41.5%) | 0.848 | 18 (47.4%) | 34 (40.0%) | 0.554 |
| VPC negative lead III | 18 (50.0%) | 29 (43.9%) | 0.678 | 17 (51.5%) | 30 (43.5%) | 0.526 | 14 (46.7%) | 33 (45.8%) | 1.000 |
| Couplets present | 38 (82.6%) | 30 (35.3%) | 0.000 | 37 (86.0%) | 31 (35.2%) | 0.000 | 34 (85.0%) | 34 (37.4%) | 0.000 |
| Number Couplets | 680 ± 2183 | 39 ± 197 | 0.008 | 727 ± 2252 | 38 ± 194 | 0.005 | 781 ± 2327 | 36 ± 191 | 0.003 |
| Polymorphic couplets | 15 (40.5%) | 12 (41.4%) | 1.000 | 15 (41.7%) | 12 (40.0%) | 1.000 | 15 (45.5%) | 12 (36.4%) | 0.617 |
| Triplets present | 24 (52.2%) | 15 (17.6%) | 0.000 | 24 (55.8%) | 15 (17.0%) | 0.000 | 23 (57.5%) | 16 (17.6%) | 0.000 |
| Number Triplets | 172 ± 547 | 10 ± 63 | 0.008 | 184 ± 565 | 10 ± 62 | 0.005 | 198 ± 583 | 10 ± 61.0 | 0.003 |
| Polymorphic triplets | 5 (20.0%) | 5 (33.3%) | 0.457 | 5 (20.0%) | 5 (33.3%) | 0.457 | 5 (21.7%) | 5 (29.4%) | 0.717 |
| VT present | 22 (47.8%) | 15 (17.6%) | 0.000 | 22 (51.2%) | 15 (17.0%) | 0.000 | 21 (52.5%) | 16 (17.6%) | 0.000 |
| Number VT | 183 ± 1064 | 2 ± 8 | 0.118 | 195 ± 1100 | 2 ± 8 | 0.099 | 210 ± 1140 | 2 ± 8 | 0.082 |
| Duration longest VT (beats) | 28 ± 36 | 14 ± 17 | 0.181 | 28 ± 36 | 14 ±17 | 0.181 | 29 ± 36 | 14 ± 17 | 0.134 |
| HR fastest VT (bpm) | 268 ± 61 | 247 ± 53 | 0.294 | 268 ± 61 | 247 ± 53 | 0.294 | 270 ± 62 | 245 ± 51 | 0.197 |
| Polymorphic VT | 3 (13.6%) | 2 (13.3%) | 1.000 | 3 (13.6%) | 2 (13.3%) | 1.000 | 3 (14.3%) | 2 (12.5%) | 1.000 |
| R-on-T | 33 (73.3%) | 22 (27.5%) | 0.000 | 32 (76.2%) | 23 (27.7%) | 0.000 | 31 (79.5%) | 24 (27.9%) | 0.000 |
| Number of beats R-on-T | 689 ± 2926 | 17 ± 23 | 0.288 | 708 ± 2971 | 19 ± 26 | 0.273 | 731 ± 3018 | 19 ± 26 | 0.254 |
| R-on-T % of all beats | 26.6 ± 75.7 | 36.4 ± 40.1 | 0.581 | 25.0 ± 76.3 | 38.3 ± 40.2 | 0.447 | 25.7 ± 77.4 | 36.8 ± 40.1 | 0.526 |
HR: heart rate; VT: ventricular tachycardia.