Initial treatment
All patients meeting the diagnostic criteria for KDwere initially treated with high-dose IVIG (2g/kg given as a single intravenousinfusion) together withaspirin orally (30–50mg.kg−1.d−1) within the first10 days of the onset of fever. We defined a responder as a patient who showed resolution of fever(<38℃) within 36h after initialIVIG treatment.15