Fig. 3From: Impact of high-flow oxygen therapy during exercise in idiopathic pulmonary fibrosis: a pilot crossover clinical trialPeripheral muscle oxygen saturation (StO2) measured by NIRS during CPET performance with both oxygen devices (n = 7). StO2 muscle oxygen saturation, NIRS near-infrared spectroscopy device, CPET cardiopulmonary exercise test, HFNC high-flow nasal cannula. *p < 0.05. Data are presented as mean and standard deviationBack to article page