Research Article

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

Table 2

The characteristics in 1281 patients in 4 groups with Kawasaki disease.

Patient characteristicGroup 1 ()Group 2 ()Group 3 ()Group 4 () value

Age (months)12 (7-24)12 (12-36)12 (11.5-36)12 (8-24)0.009
Age ≤1 yr.50 (64.9)450 (55.1)133 (53.4)84 (60.9)0.189
Gender (male : female)1.4 : 11.7 : 11.8 : 12.2 : 10.464
Days of first hospital visit (d)4 (3-4)5 (5-6)8 (7-9)13 (11-15)
Illness days of initial IVIG (d)4 (4-4)6 (5-7)9 (8-9)13.5 (12-16)
Total hospital stay (d)3 (2-5)2 (2-3)2 (2-4)4 (2-7)<0.001
IVIG-resistant KD cases10 (13.0)79 (9.7)27 (10.8)25 (18.1)0.03

Data are presented as median (interquartile range) or (%). IVIG: intravenous immunoglobulin. KD: Kawasaki disease.