Table 1.
General Characteristic by Group
| Parameter | Group | ||||
|---|---|---|---|---|---|
| A (n = 77) |
B (n = 90) |
C (n = 111) |
D (n = 19) |
E (n = 16) |
|
| Age | 13.9 ± 8.9 | 8.5 ± 0.9** | 12.9 ± 2.8 | 15.0 ± 3.9 | 17.3 ± 5.4** |
| LVEF (%) | 64.6 ± 5.9 | 65.0 ± 4.8 | 64.4 ± 5.8 | 49.4 ± 6.6** | 36.5 ± 12.2** |
| XCDa | 45.6 ± 16.9 | 35.3 ± 16.6 | 38.2 ± 19.8 | 52.2 ± 22.4 | 73.0 ± 41.9 |
| US_max | 0.97 ± 0.04 | 0.98 ± 0.03 | 0.97 ± 0.03 | 0.97 ± 0.04 | 0.92 ± 0.08** |
| TTMS | 78.2 ± 31.8 | 65.4 ± 22.9** | 71.2 ± 24.0 | 95.1 ± 19.6** | 111.4 ± 33.0** |
| RVV_max | 0.95 ± 0.57 | 1.03 ± 0.55 | 1.13 ± 0.57 | 1.03 ± 0.51 | 1.34 ± 0.57** |
| STD_peak | 31.7 ± 12.0 | 26.7 ± 8.4** | 29.6 ± 9.7 | 36.5 ± 6.9 | 46.1 ± 16.6** |
| QRS | 92.8 ± 11.41 | 85.1 ± 7.8** | 86.6 ± 8.0** | 86.1 ± 13.4 | 97.1 ± 12.9 |
| εcc | -18.2 ± 4.5 | -14.2 ± 1.4** | -13.2 ± 2.0** | -10.7 ± 2.1 | -7.0 ± 2.8 |