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. 2019 Jul 17;12:195–203. doi: 10.2147/JAA.S193744

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© 2019 Díaz Palacios et al.

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Bland–Altman plots of agreement between real spirometry values and predictive values from IOS. Models showed an acceptable bias for FEV₁%, FVC% , and FEV₁/FVC values.

Abbreviation: FVC, forced vital capacity; FEV ₁, forced in expiratory volume in 1 second; FEF _25-75, forced expiratory flow at 25%-75% (absolute values) ; FEF _25-75 % , forced expiratory flow at 25%-75% (percentage).