From: Nasal high flow in management of children with status asthmaticus: a retrospective observational study
n = 39
NHF settings, median [IQR]
 Initial FiO2 (%)
45 [31–55]
 Initial flow (L/kg/min)
0.9 [0.75–1]
 Maximum flow (L/kg/min)
1.0 [0.8–1.1]
Length of NHF (h), median [IQR]
28 [21–47]
NHF failure, n (%)
2 (6)