Efficacy and Safety of Dahuang Zhechong Pill in Silicosis: A Randomized Controlled Trial

Table 3

Statistical differences between effects of DG and CG.

	MD	SE	CI	value
Pulmonary function
FVC % pred	8.15	3.92	0.28 to 16.02	0.043
DLCO % pred	8.64	3.53	1.55 to 15.73	0.018
Hypoxia and exercise capacity
SpO2	3.79	0.72	2.34 to 5.23	<0.001
6WMD	22.50	26.33	-30.29 to 75.29	0.397
K-BILD
Total	6.03	2.33	1.37 to 10.69	0.012
Breathlessness and activities	7.89	3.73	0.41 to 15.37	0.039
Chest symptoms	10.71	3.74	3.22 to 18.20	0.006
Psychological symptoms	3.74	1.75	0.23 to 7.26	0.037

Statistical differences were determined by the independent-samples t-test.