Table 2 Abnormal XCDs vs. the control

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

XCD^a

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