A Retrospective Cohort Study of Intravenous Immunoglobulin Therapy in the Acute Phase of Kawasaki Disease: The Earlier, the Better?

Table 1

Baseline characteristics of 1281 Kawasaki disease patients.

Variables	No. (%)
No. of patients	1281
Age median (IQR), months	12 (11-36)
Age ≤1 y, no. (%)	717 (56.0)
Gender (male : female)	1.75 : 1 (816 : 465)
Days of first hospital visit (d)	6 (5-7)
Illness days of initial IVIG (d)	6 (5-8)
Total hospital stay (d)	3 (2-4)
IVIG-resistant KD, no. (%)	141 (11.0)

Expressed as the median (interquartile range: IQR), or %. IVIG: intravenous immunoglobulin.