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

Table 2

Effects of different treatments.

	CG, n = 28		DG, n = 28
	Mean (SD)	CI	Mean (SD)	CI
Pulmonary function
FVC % pred	65.0 (14.7)	59.2 to 70.8	73.2 (13.8)	67.6 to 78.7
DLCO % pred	64.1 (12.2)	59.3 to 68.9	72.7 (13.5)	67.2 to 78.2
Hypoxia and exercise capacity
SpO2	87.9 (3.0)	86.7 to 89.1	91.7 (2.3)	90.8 to 92.6
6WMD	308.6 (96.8)	271.0 to 346.1	331.1 (100.2)	292.2 to 369.9
K-BILD
Total	56.6 (9.3)	53.0 to 60.1	62.6 (8.1)	59.4 to 65.7
Breathlessness and activities	40.9 (15.1)	35.1 to 46.8	48.8 (12.7)	43.9 to 53.7
Chest symptoms	51.2 (15.9)	45.0 to 57.4	61.9 (11.8)	57.3 to 66.5
Psychological symptoms	64.2 (6.6)	61.6 to 66.8	67.9 (6.5)	65.4 to 70.5

The sample size of FVC% and DLCO% in DHZCP group was 26 and in No DHZCP group was 27.