Fig. 2From: Noninvasive assessment of airflows by electrical impedance tomography in intubated hypoxemic patients: an exploratory studyCorrelations and Bland–Altman plots of airflows measured by spirometer and electrical impedance tomography (EIT). Top panels (a, b) show data for maximal inspiratory flow (MIF), while bottom panels (c, d) for maximal expiratory flow (MEF)Back to article page