Ultrasonic Characteristics of Cardiovascular Changes in Children with Hutchinson–Gilford Progeria Syndrome: A Comparative Study with Normal Children and Aging People

Table 3

Echocardiographic parameters of the strain and dyssynchrony.

		GLS%	GCS%	Twist (°)	Torsion°	Mean peak time (ms)	SDI%
HGPS children	7	^b				^ab
Age-matched healthy children	21	^b	^b			^b	^b
Older healthy volunteers	14	^a	^a			^a	^a
F		13.978	5.284	1.277	0.020	11.226	3.885
P		0.000	0.006	0.282	0.980	0.000	0.023

^a, when compared with age-matched healthy children; ^b, when compared with older healthy volunteers. GLS: global longitudinal strain; GCS: global circumferential strain.