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. 2015 Jul 20;2:10.3402/ecrj.v2.26375. doi: 10.3402/ecrj.v2.26375

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© 2015 Helena Backman et al.

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material for any purpose, even commercially, provided the original work is properly cited and states its license.

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Fig. 2 — (a–f) Sex- and age-dependent decline in the OLIN reference values (mean and LLN) in comparison with GLI. The predicted mean and LLN for the OLIN and the GLI reference values are plotted against age, for FEV₁, FVC and the FEV₁/FVC ratio, respectively. Figures (a), (b) and (c) display predicted values for a 165 cm tall woman, while (d), (e) and (f) display predicted values for a 180 cm tall man.