From: Biomarkers of collagen turnover are related to annual change in FEV1 in patients with chronic obstructive pulmonary disease within the ECLIPSE study
Variable
N
Mean
SD
SEM
Age (yr)
1000
63.1
7.21
0.2
BMI
26.9
5.9
Gender (F/M)
363/637
–
GOLD stage
II(494), III(406), IV(100)
PD-FEV1%
998
50.6
15.2
0.5
%LAA
887
16.3
11.3
0.4