Table 2 a Characteristics of typical KD patients responsive to IVIG therapy ( n = 42) and those unresponsive to a second dose of IVIG therapy ( n = 33). b Prevalence of the minor allele of rs563535954 in IVIG-unresponsive and IVIGresponsive KD patients

A
	Patients with typical KD (n = 75)
	IVIG responders	IVIG non-responders
	(n = 42)	(n = 33)
Age at diagnosis (month)
Mean (SD)	36.1 (21.9)	31.6 (18.3)
Median (range)	33 (4–121)	30 (4–81)
Gender
Male / Female	1.3	2.3
Principal symptoms ± CAL (%)
4 symptoms + CAL	1 (2.4%)	3 (9.1%)
5 or 6 symptoms - CAL	34 (81.0%)	16 (48.5%)
5 or 6 symptoms + CAL	8 (16.7%)	14 (42.4%)
B
	(n = 33)		(n = 42)		P value
	IVIG-unresponsive KD		IVIG-responsive KD
	C/T	C/C	C/T	C/C
rs563535954	4	29	0	42	0.0337