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. 2017 May 25;12:1549–1564. doi: 10.2147/COPD.S137806

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© 2017 Diao et al. This work is published and licensed by Dove Medical Press Limited

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Levels of THBG and fibrinogen measured by ELISA in the verification panel.

Notes: (A) and (B) represent two different grouping types of THBG (control vs COPD and control vs GOLD I–IV, respectively); (C) and (D) represent two different grouping types of fibrinogen, respectively. Control: n=33 smokers without COPD; COPD: n=53 smokers with COPD (n=10 GOLD I; n=15 GOLD II; n=19 GOLD III; n=9 GOLD IV). Mean values (±SE) are indicated with a horizontal line and error bar. **P<0.01.

Abbreviations: COPD, chronic obstructive pulmonary disease; ELISA, enzyme-linked immunosorbent assay; GOLD, Global Initiative for Obstructive Lung Disease; SE, standard error; THBG, thyroxine-binding globulin.