From: Bioinformatic analysis of microRNA and mRNA Regulation in peripheral blood mononuclear cells of patients with chronic obstructive pulmonary disease
Smokers
COPD
Number
17
14
Age
56 ± 17
69 ± 8
Male/Female
17/0
13/1
Current/ex-smokers
14/3
8/6
Pack-years
23 ± 3
27 ± 6
Post-BD FEV1% predicted
92.9 ± 9.0
29.0 ± 10.6
GOLD Stage
 I
-
0
 II
2
 III-IV
12