Exercise tolerance

Tongxinluo group (n = 28)

Control group (n = 28)

before

after

before

after

6-minutewalk distance (meters)

463 ± 23

490 ± 35**

465 ± 26

470 ± 27

Plat motion time (min)

6.6 ± 2.9

6.9 ± 3.3

6.8 ± 3.0

6.6 ± 3.2

ST lower than 0.1 mv time (min)

2.0 ± 0.8

1.9 ± 0.6

2.3 ± 1.2

2.2 ± 1.0