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Table 1 General Characteristic by Group

From: Presence of mechanical dyssynchrony in duchenne muscular dystrophy

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