Table I.

NF-κB-p65 and CXCR4 expression in neuroblastoma and their association with the clinicopathological characteristics.

Characteristics	Total cases, n	NF-κB-p65 expression			CXCR4 expression
		Low (n=32)	High (n=48)	P-value	Low (n=23)	High (n=57)	P-value
Age, years
<5	31	15	16	0.249	8	23	0.800
≥5	49	17	32		15	34
Gender
Male	48	17	31	0.356	11	37	0.209
Female	32	15	17		12	20
Tumor size, cm
<3	41	23	28	0.244	10	31	0.461
≥3	39	9	20		13	26
INSS stages
I, IIa, IVs	21	13	8	0.021a	12	9	0.0016a
IIb, III, IV	59	19	40		11	48
Metastasis
Absence	18	12	6	0.013a	11	7	0.002a
Presence	62	20	42		12	50

^aP<0.05. NF-κB, nuclear factor-κB; CXCR4, CXC chemokine receptor-4; INSS, International Neuroblastoma Staging System.