Table 1 General Characteristic by Group
From: Presence of mechanical dyssynchrony in duchenne muscular dystrophy
Parameter | Group | ||||
|---|---|---|---|---|---|
| Â | 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 |