观察组

对照组

P

6MWT (m)

404.2 ± 32.7

393.5 ± 26.4

0.038

LVEF (%)

40.1 ± 1.7

39.5 ± 1.9

0.045

LAD (mm)

47.9 ± 1.9

48.8 ± 1.7

0.086

LVEDD (mm)

58.6 ± 3.1

59.4 ± 2.6

0.095

BNP (ng/L)

916.3 ± 313.1

1046.7 ± 301.3

0.056