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Table 2 Abnormal XCDs vs. the control

From: Presence of mechanical dyssynchrony in duchenne muscular dystrophy

Parameter Group
  Control
(n = 77)
Abnormal XCDs
(n = 9)
Age 13.9 ± 8.9 16.7 ± 5.0
LVEF (%)
(min, max)
64.6 ± 5.9 43.9 ± 16.7**
LVRI 0.71 ± 0.19 0.66 ± 0.21
XCDa 45.6 ± 16.9 116.5 ± 20.5**
Presence of LGE 0 (0.0%) 4 (57.1%)**
US_max 0.97 ± 0.04 0.91 ± 0.09**
TTMS 78.2 ± 31.8 111.2 ± 39.5**
RVV_max 0.95 ± 0.57 1.34 ± 0.48
STD_peak 31.7 ± 12.0 47.6 ± 18.1**
QRS 92.8 ± 11.41 98.2 ± 15.3
  1. **P < 0.05 as compared to the control group (A) using Dunnett test.
  2. aXCD = maximum of (XCD 1-4, XCD 2-5 and XCD 3-6).