MPO and eosinophilic granulomatosis with polyangiitis: Although antiANCA-MPO-ANCA (P-ANCA) antibodies can be detected in 30 %–35 % of patients with EGPA, the positivity of this antibody was not included in the final criteria because they are significantly more prevalent in MPA (microscopic polyangiitis) and, therefore, are not determinants of EGPA.381