Fig. 4From: Lung ultrasound score predicts outcomes in patients with acute respiratory failure secondary to COVID-19 treated with non-invasive respiratory support: a prospective cohort studyKaplan-Meier plots of time-to-event data for the ETI (left) and mortality (right). NIRS: Non-Invasive Respiratory Support; LUS score: Lung Ultrasound Score, ETI: Endotracheal intubationBack to article page