Table 1. Clinical characteristics of NFKD and BCL patients in previous reports

Variables	Author	NFKD		BCL		P value	Reference
Age (months)	Kanegaye et al.	50.4 (32.4–64.8)	(n = 57)	19.2 (12.0–58.8)	(n = 78)	< 0.01	[14]
	Lee et al.	36.0 (0–60)	(n = 28)	46.8 (0–60)	(n = 28)	0.020	[17]
	Hwang et al.	46.6 ± 26.2	(n = 34)	50.9 ± 35.5	(n = 45)	≥ 0.05	[18]
	Nozaki et al.	48.8 ± 22.4	(n = 25)	46.4 ± 41.3	(n = 25)	0.31	[19]
	Kato et al.	55.2 (7.2–120)	(n = 12)				[20]
	Yanagi et al.	79.2 ± 27.6	(n = 14)	57.6 ± 54.0	(n = 24)	0.022	[21]
	Qin et al.	46.4 ± 22.3	(n = 47)	47.9 ± 18.2	(n = 56)		[22]
	Park et al.	47.2 ± 19.54	(n = 51)	73.1 ± 48.5	(n = 63)	0.038	[23]
	Muto et al.	34.8 (2.4–103.2)	(n = 35)	52.8 (12.0–188.4)	(n = 14)	0.20	[24]
Sex, male (%)	Kanegaye et al.	54	(n = 57)	54	(n = 78)	0.7	[14]
	Lee et al.	64.2	(n = 28)	67.9	(n = 28)	0.677	[17]
	Hwang et al.	73.5	(n = 34)	57.8	(n = 45)	> 0.05	[18]
	Nozaki et al.	72	(n = 25)	60	(n = 25)	0.55	[19]
	Kato et al.	83.3	(n = 12)				[20]
	Yanagi et al.	71.4	(n = 14)	66.7	(n = 24)	n.s.	[21]
	Qin et al.	63.8	(n = 47)	51.2	(n = 56)		[22]
	Park et al.	59	(n = 51)	54	(n = 63)	0.603	[23]
	Muto et al.	45.7	(n = 35)	42.8	(n = 14)	0.86	[24]
Duration of fever before admission (days)	Kanegaye et al.	2 (1–3)	(n = 57)	2 (1–3)	(n = 78)	0.2	[14]
	Lee et al.	4.0 (1–8)	(n = 28)	3.1 (1–5)	(n = 28)	0.133	[17]
	Hwang et al.	4.1 ± 1.4	(n = 34)	5.4 ± 1.5	(n = 45)	< 0.05	[18]
	Kato et al.	4.1	(n = 12)				[20]
	Yanagi et al.	5.0 ± 1.1	(n = 14)				[21]
	Qin et al.	5.5 ± 1.3	(n = 47)	4.3 ± 1.4	(n = 56)	< 0.01	[22]
	Park et al.	5.9 ± 1.5	(n = 51)	3.9 ± 3.3	(n =63)	< 0.001	[23]

NFKD: node-first presentation of Kawasaki disease; BCL: bacterial cervical lymphadenitis.