AaDO2	alveolar–arterial oxygen tension difference
AUC	area under the receiver operating characteristic curve
Bagged CART	bagged classification and regression tree
CI	confidence interval
CGMH	Chang Gung Memorial Hospital
NICU	neonatal intensive care unit
NTISS	Neonatal Therapeutic Intervention Scoring System
OI	oxygenation index
OR	odds ratio
RF	random forest
SHAP	Shapley additive explanation values
SNAPPE-II	Score for Neonatal Acute Physiology Perinatal Extension II
TPN	total parenteral nutrition