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. 2021 Oct 20;30(162):210138. doi: 10.1183/16000617.0138-2021

FIGURE 2.

FIGURE 2

COVID-19 representative computed tomography scans. a) Emergency department: Lung weight=1197.5 g; Gas volume=3937.6 mL; Fraction of non-aerated tissue=0.054; PaO2/FIO2 ratio=146. b) High-dependency unit: Lung weight=1088.6 g; Gas volume=1569.9 mL; Fraction of non-aerated tissue=0.168; PaO2/FIO2 ratio=210. c) Intensive care unit: Lung weight=1399.2 g; Gas volume=1257.5 mL; Fraction of non-aerated tissue=0.389; PaO2/FIO2 ratio=112. FIO2: inspiratory oxygen fraction; PaO2: arterial oxygen tension.