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. 2021 May 13;16(5):e0250740. doi: 10.1371/journal.pone.0250740

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© 2021 Röttgering et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 2 — A. Prospective Inpatient Acutely ill cohort (PIA cohort) and B. Retrospective Outpatient Pulmonary cohort (ROP cohort). The black dashed vertical lines reflect the PaO₂ values of 60 mmHg and 125 mmHg. The red dashed vertical lines reflect the calculated lower and upper bounds to avoid hypoxemic and hyperoxemic PaO₂ measurements.