Table 1.

Correlation between the expression level of miR-155 with clinicopathological features

Characteristic	Case number	miR-155 expression		P value
		High (n=68)	Low (n=65)
Age (y)
<55	61	29	32	0.489
≥55	72	39	33
Gender
Male	79	36	43	0.158
Female	54	32	22
TNM stage
I+II	92	39	53	0.003
III+IV	41	29	12
Lymph node status
Yes	24	17	7	0.042
No	109	51	58
Liver metastasis
Yes	22	17	5	0.010
No	111	51	60
Differentiated degree
Well	88	35	53	<0.001
Moderate/poor	45	33	12