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. 2015 Mar 24;10(3):e0119938. doi: 10.1371/journal.pone.0119938

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© 2015 Van Sambeek et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 4 — CFRD subjects with HbA_1c > 6.5% had significantly reduced average scores of forced expiratory volume in one second (FEV₁, left panel) and forced expiratory flow in the 25–75% of the patient’s exhaled volume (FEF25–75%, right panel) compared to CFRD subjects with HbA_1c ≤ 6.5%. Diamonds are centered on each category’s mean and the vertical distance represents the 95% confidence interval.