Table 2.

Comparison of patients’ TCM evidence scores and 6-min distance of walking

Cluster	TCM score		6 min walking distance (m)
	Pre-intervention	Post-intervention	Pre-intervention	Post-intervention
Joint group (n = 38)	15.00 [13.00, 19.00]	8.95±3.35*	229.76±13.43	370.45±17.26*
Control group (n = 38)	17.50 [14.25, 19.00]	11.00±2.95*	232.87±13.76	325.32±16.09*
t/Z value	-0.727	-2.833	-0.995	11.791
P-value	0.469	0.006	0.323	<0.001

^*indicates P<0.05 compared with pre-intervention;

NYHA, New York Heart Function Classification; TCM, Traditional Chinese Medicine.