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Table 1 Population demographics at baseline

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 1000 26.9 5.9 0.2
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
  1. F Female, M Male, PD-FEV 1 % Percent predicted normal post dose forced expiratory volume in 1 s, %LAA Percent low areas of attenuation below −950 Hounsfield units, BMI Body mass index