Group

Number of cases (n)

LVEF (%)

CO (L/min)

LVEDD (mm)

SV (ml/ci)

LVMI (g/m²)

E/A

Observation (n)

38

56.11 ± 3.19

5.66 ± 0.34

47.31 ± 2.24

70.59 ± 2.76

113.99 ± 14.02

1.09 ± 0.22

Matched (n)

38

50.59 ± 2.54

4.52 ± 0.28

51.43 ± 1.88

54.87 ± 2.54

128.01 ± 13.98

0.82 ± 0.17

t value

4.879

4.986

5.084

5.125

4.969

4.927

P value

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05