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. 2021 Sep 21;16:2637–2651. doi: 10.2147/COPD.S313711

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© 2021 Stöber et al.

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Change score model: impact of FEV₁ on HRQoL.

Notes: Absolute adjusted mean change in VAS (A) and CAT (B) after one year. ABCD groups at baseline. Error bars indicate 95% confidence intervals.