Fig. 3From: Prone positioning improves ventilation–perfusion matching assessed by electrical impedance tomography in patients with ARDS: a prospective physiological studyComparisons of Matched Region (%) (A), Shunt-EIT (%) (B), and Dead Space-EIT (%) (C) at T0, T1, and T2. *p < 0.05. PaO2/FiO2 was significantly correlated with Matched Region (%) (D) and Shunt-EIT (%) (E), but not with Dead Space-EIT(%) (F)Back to article page