Fig. 1From: Broadening the Berlin definition of ARDS to patients receiving high-flow nasal oxygen: an observational study in patients with acute hypoxemic respiratory failure due to COVID-19CONSORT flowchart of patients included in this analysis. ARDS acute respiratory distress syndrome, FiO2 fraction of inspired oxygen, HFNO high-flow nasal oxygen, ICU intensive care unit, IRB institutional review board, PaO2 partial pressure of oxygenBack to article page