Table 2.

Correlation between the clinicopathologic characteristics and expression of Capn4 protein in nasopharyngeal carcinoma (NPC)

Characteristics	n	Capn4		P
		High expression	Low expression
Gender
Male	104	46	58	0.3072
Female	49	26	23
Age
>50	69	30	39	0.4211
<50	84	42	42
Smoking
Yes	43	18	25	0.4217
No	110	54	56
Family tumor history
Yes	4	1	3	0.5400
No	149	71	78
EB Viral
Positive	138	72	66	<0.0001*
Negative	15	0	15
Recurrence
Yes	35	21	14	0.0814
No	118	51	67
T classification
T1-T2	101	29	72	<0.0001*
T3-T4	52	43	9
N classification
N0-N1	83	20	63	<0.0001*
N2-N3	70	52	18
Distant metastasis
Yes	17	15	2	<0.0001*
No	136	57	79
TNM clinical stage
I–II	53	17	36	0.0072*
III–IV	100	55	45

^*P < 0.05.