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Fig. 2 | Respiratory Research

Fig. 2

From: Use of high-flow nasal cannula oxygen and risk factors for high-flow nasal cannula oxygen failure in critically-ill patients with COVID-19

Fig. 2

ROX index calculated six hours after high-flow nasal cannula oxygen therapy (HFNC) initiation (6-h ROX index) in all patients with HFNC (n = 114), in patients with HFNC failure (n = 78) and in patients without HFNC failure (n = 36). The boxes show the 25th and 75th percentiles, the line in the box the median, and the whiskers the minimum and maximum values. Circles represent outliers

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