Table 3. Logistic regression analysis of the risk factors for IVIG resistance and coronary artery dilatation

	IVIG resistance			Coronary artery dilatation
	ORs	95% CI	P-value	ORs	95% CI	P-value
Total patients
Fever duration, total	1.878	1.605–2.197	< 0.001	1.242	1.118–1.380	< 0.001
Fever duration, prior to admission	0.593	0.500–0.7045	< 0.001
Pre-treatment platelet counts	0.993	0.991–0.996	< 0.001
PLR	1.025	1.008–1.042	0.004
NLR				1.190	1.077–1.314	0.001
Maximal platelet counts	1.007	1.005–1.009	< 0.001	1.003	1.001–1.004	0.001
Younger age group
Fever duration, total	1.915	1.396–2.628	< 0.001	1.373	1.016–1.855	0.039
Fever duration, prior to admission				0.562	0.376–0.841	0.005
NLR	1.858	1.306–2.644	0.001
Usual age group
Fever duration, total	2.264	1.636–3.133	< 0.001	1.272	1.130–1.432	< 0.001
Fever duration, prior to admission	0.404	0.270–0.607	< 0.001
Recurrence				3.261	1.404–7.572	0.006
IVIG resistance				2.560	1.450–4522	0.001
Older age group
NLR	1.143	1.018–1.283	0.024

IVIG: intravenous immunoglobulin; OR: odds ratio; CI: confidence interval; PLR: platelet-to-lymphocyte ratio; NLR: neutrophil-to-lymphocyte ratio.