Table 2.

Abnormal XCDs vs. the control

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

**P < 0.05 as compared to the control group (A) using Dunnett test.

^aXCD = maximum of (XCD 1-4, XCD 2-5 and XCD 3-6).