CRP and lymphopenia: When selecting children with abdominal pain or vomiting in our study, the results were similar with [52] and a different profile was noticed in comparison with the whole group: leukocytosis 18.75% vs. 14.29%, neutrophilia 27.08% vs. 16.75%, lymphopenia 75% vs. 53.69%, elevated CRP 41.67% vs. 25.12% [52].