Patient characteristics
The present study enrolled a total of 1,275 patients with KD with a median age of 19 months (range, 11-38 months) according to the inclusion criteria. Of these, 718 (57.1%) were male and 539 (42.9%) were female. There were 142 (11.3%) patients with CALs and 187 (14.9%) patients with IVIG resistance in all patients with KD. The clinical laboratory data are presented in Table 1.