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Fig. 3 | Critical Care

Fig. 3

From: High-flow nasal cannula versus conventional oxygen therapy in acute COPD exacerbation with mild hypercapnia: a multicenter randomized controlled trial

Fig. 3

Changes of PaCO2, respiratory rate, SpO2 and Borg dyspnea score within 72 h after randomization between the two groups. Data are presented as median (interquartile range). COT conventional oxygen therapy group, HFNC high-flow nasal cannula group, PaCO2 arterial partial pressure of carbon dioxide, SpO2 oxygen saturation

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Critical Care

ISSN: 1364-8535