Fig. 2
From: The COVID-19 pandemic: the effect on airway Management in non-COVID emergency patients
Respiratory interventions by diagnosis. Note: Pre-C group = patients included during March–April 2019, COVID group = patients included during March–April 2020. Pneumonia = community-, hospital-acquired or healthcare associated pneumonia, Pulmonary edema = congestive heart failure or volume overload. Abbreviations: COPD, chronic obstructive pulmonary disease; ETT, endotracheal intubation; NIV, non-invasive ventilation; HFNC, high-flow nasal cannula; LF O2, low flow oxygen consisting of standard nasal cannula, non-rebreather mask and collar mask