AUC	area under the receiver operating characteristic curve
CI	confidence interval
DCA	decision curve analysis
ICU	intensive care unit
LOS	length of stay
MODS	multiple organ dysfunction syndrome
MV	mechanical ventilation
OR	odds ratio
PICU	pediatric intensive care unit
PIM 3	Pediatric Index of Mortality 3
PRISM 4	Pediatric Risk of Mortality 4
pSOFA	Pediatric Sequential Organ Failure Assessment
ROC	receiver operating characteristic
SOFA	Sequential Organ Failure Assessment
SpO2/FiO2	peripheral oxygen saturation to fraction of inspired oxygen ratio
PaO2/FiO2	arterial oxygen partial pressure to fraction of inspired oxygen ratio
VIF	variance inflation factor