. 2020 Jun 10;20(2):1285–1290. doi: 10.3892/etm.2020.8858

Table III.

Exercise tolerance and pulmonary function in both groups before and after treatment.

Groups	Cases	Treatment duration	6MWT (m)	FVC (L)	FEV1 (L)
Observation group	132	Before treatment	323.24±25.83	2.45±0.46	1.62±0.45
		After treatment	400.67±31.27^a	3.84±0.57^a	2.14±0.52^a
		t value	21.93	21.80	8.688
		P-value	<0.001	<0.001	<0.001
Control group	116	Before treatment	320.13±28.46	2.44±0.39	1.59±0.41
		After treatment	355.71±30.28	2.69±0.48	1.83±0.51
		t value	9.222	4.354	3.950
		P-value	<0.001	<0.001	<0.001

^aP<0.001 compared with the control group after treatment. 6MWT, 6-min walk test; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 sec.