Fig. 4From: Use of high-flow nasal cannula oxygen and risk factors for high-flow nasal cannula oxygen failure in critically-ill patients with COVID-19Cumulative incidence of intubation after admission in intensive care unit (ICU) in the matched cohort of patients after propensity score without (solid black line, n = 35) and with (dotted red line, n = 35) high-flow nasal cannula oxygen therapy (HFNC)Back to article page