Table 2.

The effect of PR on symptoms

	Control group (n = 30)		Intervention group (n = 30)
	Before rehabilitation	After rehabilitation	Before rehabilitation	After rehabilitation
CAT score	14 ± 2.4	8 ± 2*	14.6 ± 2.5	7.2 ± 1.8*
SGRQ score	42.33 ± 4.6	63.66 ± 3.6*	38.2 ± 3.6#	59.6 ± 5.4*
6MWT distance (m)	273 ± 19	281 ± 22	284 ± 18	330 ± 19*,&
BODE index	6 ± 0.44	4 ± 0.38*	6 ± 0.7	6 ± 0.5&
MMRC score	2 ± 0.6	1 ± 0.8*	2 ± 0.7	1 ± 0.5*

* P < 0.05 compared with that before rehabilitation. Data are presented as mean ± SD

^# P < 0.05 compared with that of the control group before rehabilitation

^& P < 0.05 compared with that of the control group after rehabilitation