CRP and necrotizing enterocolitis: Similarly, in NEC stage III, CRP was moderately correlated with serum calprotectin (r = 0.756, p < 0.05) and fecal calprotectin (r = 0.712, p < 0.05), while serum and fecal calprotectin showed a strong correlation (r = 0.759, p < 0.05) (Figure 1).