Table 1. Clinicopathological association of CCL18 expression in oral squamous cell carcinoma.

Characteristics	No.of cases	CCL18 staining score			P value
		1	2	3
Age					0.767
< 50	26	4	3	19
> 50	34	4	7	23
Gender					0.923
Male	41	6	6	29
Female	19	2	4	13
Tumor site					0.152
Tongue	37	5	9	23
Others	23	3	1	19
T-primary tumor					0.159
T1 + T2	46	7	9	30
T3 + T4	14	1	1	12
N-regional lymph node					0.748
Non-Metastasis	48	6	8	34
Metastasis	12	2	2	8
Histological grade					0.907
Well	40	6	6	28
Moderately + Poorly	20	2	4	14
TNM stage					0.040
I + II	43	8	8	27
III + IV	17	0	2	15