Table 1.

Characteristics of subject.

	Serum		Lung tissue		BALF
	IPF (n = 10)	Control (n = 10)	IPF (n = 10)	Control (n = 10)	IPF (n = 10)	Control (n = 10)
Age	58.43 ± 2.432	60.32 ± 3.483	48.23 ± 2.512	50.28 ± 2.942	56.25 ± 1.453	61.25 ± 2.542
Sex
Male	6 (60%)	5 (50%)	3 (30%)	5 (50%)	6 (60%)	5 (50%)
Female	4 (40%)	5 (50%)	7 (70%)	5 (50%)	4 (40%)	5 (50%)
FVC, %	56.03 ± 4.254	NA	57.16 ± 3.657	NA	46.43 ± 3.537	NA
DLCO, %	43. 74 ± 3.232	NA	41.13 ± 3.475	NA	39.48 ± 4.743	NA

IPF idiopathic pulmonary fibrosis, BALF bronchoalveolar lavage fluid, DLCO diffusion capacity for carbon monoxide, FVC forced vital capacity.