Fig. 3From: Factors influencing nasal airway pressure and comfort in high-flow nasal cannula oxygen therapy: a volunteer studyThe EEP produced by different nasal cannulae in HFNC at different flow rates. # represents P < 0.05 compared to 5 mm cannula at the same flow rate, * represents P < 0.05 compared to 4 mm cannulaBack to article page