Fig. 1

The a-diversity analysis (ACE, Chao1, Observe, Pielou, Shannon and Simpson index) of the gut microbiota among the FAM, FANM, and control groups. The P values calculated using Kruskal–Wallis-test among three groups, and post hoc group comparisons evaluated by false discovery rate adjustment. FANM, food allergy children without malnutrition; FAM, children with food allergy and malnutrition