Patients group

(No. = 300)

Control group

(No. = 20)

Independent t-test

Mean

SD

Mean

SD

t

P-value

LVEDD

5.16

0.55

5.19

0.37

0.154

0.878

LVESD

4.06

0.41

3.72

0.28

−3.430

0.001

EF%

59.08

4.07

65.15

4.39

5.658

<0.001