FABP2 and necrotizing enterocolitis: In this meta-analysis, we can find that the area under curve (AUC) was 0.75, 0.82, and 0.91 and Q∗ value in SROC curve was 0.69, 0.76, and 0.84 for each stage, indicating a moderate pooled accuracy of I-FABP in diagnosing NEC.