Fig. 2From: A new non-invasive index for the prediction of endotracheal intubation in patients with SARS COVID-19 infection, in the emergency department, pilot studyRight (A) and left (B) U.D.E.S.I according to mechanical ventilation outcome. MV: mechanical ventilation, REXI_SAF (ultrasound diaphragmatic excursion So2/FiO2 index right), LEXI_SAFI (ultrasound diaphragmatic excursion So2/FiO2 index left), A: p = 0.009, B: p = 0.026Back to article page