Long Noncoding RNAs and mRNA Regulation in Peripheral Blood Mononuclear Cells of Patients with Chronic Obstructive Pulmonary Disease

Table 1

Clinical characteristics of nonsmokers, smokers without airflow limitation, and COPD patients.

	Healthy nonsmokers	Smokers without COPD	COPD
Number	20	17	14
Age	61 ± 14	56 ± 17	69 ± 8
Male/female	12/8	17/0	13/1
Current/ex-smokers	—	14/3	8/6
Post-BD FEV1% predicted	101.0 ± 8.6	92.9 ± 9.0	29.0 ± 10.6
Gold stage
I		—	0
II		—	6
III-IV		—	8

Data are presented as mean ± SD. BD: bronchodilator; FEV1, forced expiratory volume in 1 s.