Table 3.

PF-related parameters in rats after modeling

Group		Lung weight (g)	Lung coefficient (g/g)	HYP content (mg/g)	Alveolar inflammation	PF degree
Sham group		1.39 ± 0.14	0.31 ± 0.03	1.18 ± 0.12	1.04 ± 0.11	1.28 ± 0.12
	3 d	2.54 ± 0.21*	0.97 ± 0.1*	1.68 ± 0.15*	2.02 ± 0.18*	2.36 ± 0.16*
PF group	14 d	2.49 ± 0.24*	1.22 ± 0.11*	2.29 ± 0.23*	3.11 ± 0.28*	2.59 ± 0.26*
	28 d	2.59 ± 0.23*	0.86 ± 0.09*	2.64 ± 0.21*	2.94 ± 0.30*	3.16 ± 0.31*

PF pulmonary fibrosis, and HYP hydroxyproline. All results were measurement data and were analyzed using one-way analysis of variance. The results are expressed as the mean ± standard deviation; * p < 0.05, vs. the sham group; the sham group, n = 18; and the model group, n = 18