Efficacy and Safety of Traditional Chinese Medicine in Idiopathic Pulmonary Fibrosis: A Meta-Analysis

Table 2

Meta-analysis of the efficacy of TCM on idiopathic pulmonary fibrosis.

Measurements	No. of studies	No. of patients	Effect size			I^2 (%)
			SMD	95% CI
PO2	18	717/705	0.80	0.54, 1.06	<0.001	81.7
FEV1/FVC	6	228/227	0.90	0.48, 1.31	<0.001	77.7
FVC%	11	524/512	0.60	0.40, 0.80	<0.001	56.2
FEV1%	10	393/388	0.57	0.42, 0.71	<0.001	14.1
TLC%	13	491/469	0.27	0.15, 0.40	<0.001	0
DLCO%	20	775/743	0.38	0.28, 0.48	<0.001	39.4
DLCO	8	281/282	1.19	1.01, 1.37	<0.001	45.6
VC%	10	312/300	0.35	0.19, 0.51	<0.001	30.4
6MWD	11	424/404	0.70	0.56, 0.84	<0.001	23.3
SGRQ	10	342/336	−0.51	−0.70, −0.22	<0.001	69.8

TCM: traditional Chinese medicine; SMD: standard mean difference.