FABP2 and necrotizing enterocolitis: Stage III NEC neonates exhibited the highest median levels (p < 0.05 for both) of I-FABP (3.36 ng/mL, 9.28 ng/mL, and 1.38 ng/mL for Stage II NEC, Stage III NEC, and controls, respectively) and FC (482.99 ng/g, 818.06 ng/g, and 213.34 ng/g for Stage II NEC, Stage III NEC, and controls, respectively).