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Fig. 5 | BMC Pulmonary Medicine

Fig. 5

From: Efficacy and safety of nasal high-flow oxygen in COPD patients

Fig. 5

Determination of lung function parameters under nasal high-flow oxygen therapy (HFOT) in 77 stable COPD patients. Dynamic and static lung parameters after both conventional oxygen therapy (COT; white bars) and HFOT (grey bars) were expressed in percent of the predicted value: FEV1 (forced expiratory volume in 1 s), ERV (expiratory reserve volume), IC (inspiratory capacity), VC (vital capacity), RV (residual volume), and TLC (total lung capacity)

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