The Egyptian Heart Journal

Table 1 Comparing ECG and echocardiographic findings between group A and group B

From: Global longitudinal strain detects subtle left ventricular systolic dysfunction in Duchenne muscular dystrophy patients and carriers

	Group A (DMD patients)	Group B (Control)	P value
	(n = 28)	(n = 28)	P value
Age (years)	9.14 ± 2.85	10.64 ± 3.29	0.08
Echocardiography
IVSd (mm)	6.21 ± 0.91	6.1 ± 0.99	0.66
PWd (mm)	6.46 ± 0.88	6 ± 0.98	0.07
LVEDD (mm)	37.5 ± 3.66	44.17 ± 4.38	< 0.001
LVESD (mm)	25.21 ± 2.69	27.71 ± 3.7	0.005
LVEDV (ml)	62.75 ± 13.71	66.71 ± 4.59	0.15
LVESV (ml)	23.14 ± 6.82	21.5 ± 3.38	0.132
LA dimension (mm)	27.35 ± 2.62	29.93 ± 3.62	0.003
EF% Modified Simpson's (%)	62.57 ± 5.38	67.64 ± 3.66	< 0.001
Diastolic function E/e'	4.5 ± 1.23	5.42 ± 0.96	0.003
GLS (%)	− 18.7 ± 2.91	− 21.25 ± 1.53	< 0.001
ECG
HR (bpm)	95.75 ± 9.37	87.82 ± 7.01	< 0.001
PR interval (msec)	152.85 ± 16.91	153.46 ± 17.95	0.89
QRS duration (msec)	90 ± 5.93	87.5 ± 5.88	0.12

bpm bear per minute, ECG electrocardiography, EF ejection fraction, GLS global longitudinal strain, HR heart rate, IVSd interventricular septum diameter, mm millimeter, LA left atrium, LVEDD left ventricular end-diastolic diameter, LVEDV left ventricular end-diastolic volume, LVESD left ventricular end-systolic diameter, LVESV left ventricular end-systolic volume, msec millisecond, PWd posterior wall diameter

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