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. 2020 Jan 21;15:157–166. doi: 10.2147/COPD.S225543

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© 2020 Zimmermann et al.

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Relationships between changes in exercise capacity (∆6MWD) (A) at completion of rehabilitation and baseline DeltaXrs (expressed as absolute values), (B) between completion and 3 months after completion and baseline DeltaXrs (expressed as absolute values); (C) at completion of rehabilitation and baseline FVC z-score, and (D) between completion and 3 months after completion and baseline FVC z-score. °subject failed to attend follow-up at 3 months post-rehabilitation completion.

Abbreviations: ∆6MWD, change in six-minute walk distance; DeltaXrs, index of expiratory flow limitation as measured by FOT; FVC, forced vital capacity; r_s, Spearman correlation coefficient; p, p-value.