IL4 and Kawasaki disease: RBC, HB, CK, CK-MB, ALB, A/G, LC3II, ATG16L1 were positively correlated with BECN1; the incidence of IVIG-resistant Kawasaki disease, length of stay, lymph node enlargement, perianal desquamation, CAL, IL-4, IL-6, CRP, PCT, SF, CD3 + CD4 + T, and r-GT were negatively correlated with BECN1.