CRP and necrotizing enterocolitis: CRP was significantly higher in patients with GN sepsis or NEC (median CRP 4.4 g/dl, IQR 2.1–11.0) compared to patients with no sepsis [median CRP 0.1 g/dl, IQR 0.1–0.4 (p < 0.05)] or clinical sepsis [median CRP 0.12 g/dl, IQR 0.1–1.2 (p < 0.05)].