Table 5. New scoring system to predict IVIGRKD ≤ 6 months old.

Variables	B	S.E.	Wald	df	p	Exp(B)	95% CI for EXP(B)		Score points
							Lower	Upper
Total fever duration ≥ 7days	1.289	0.424	9.249	1	0.002	3.628	1.581	8.323	2
Sodium ≤ 135 mmol/L	0.705	0.378	3.481	1	0.062	2.024	0.965	4.246	1
NLR ≥ 1.9	1.135	0.384	8.737	1	0.003	3.111	1.466	6.603	2
Platelet ≤ 350 × 109/L	0.786	0.393	4.01	1	0.045	2.195	1.017	4.74	1
Total score									6

Hosmer and Lemeshow Test: p = 0.954, IVIGRKD: intravenous immunoglobin-resistant Kawasaki Disease, NLR: neutrophil-to-lymphocyte ratio.