Table 2.

Change from baseline to 8 weeks in outcomes.

	Control group	WeChat group	P value
6MWD, m
0 week	308.4 ± 38.1	305.8 ± 56.4	0.889
8 week	346.2 ± 46.6	372.9 ± 45.2	0.012
Peak oxygen consumption, mL/kg/min
0 week	16.2 ± 6.0	16.3 ± 5.2	0.679
8 week	16.9 ± 7.0	19.8 ± 5.0	0.008
Percentage of expected peak VO2, %
0 week	53.2 ± 14.8	52.2 ± 14.0	0.916
8 week	53.8 ± 13.6	59.7 ± 17.4	0.102

6MWD: distance in 6-min walk test.