Table 1.

Correlation between AGO1 expression and clinicopathologic characteristics of extrahepatic cholangiocarcinoma

Parameter	n	AGO1 Expression		p-value
		Low	High
Age (years)
<60	39	12	27	0.446
>60	71	27	44
Gender
Male	53	23	30	0.093
Female	57	16	41
Tumor size
<3 cm	66	21	45	0.329
>3 cm	44	18	26
Tumor location
Perihilar	71	22	49	0.186
Distal	39	17	22
Differentiation
Well + moderate	79	33	46	0.027
Poor	31	6	25
lymph invasion
Absent	82	35	47	0.007
Present	28	4	24
CA-199
<37	19	12	7	0.006
>37	91	27	64
TNM stage
I-II	76	34	42	0.002
III-IV	34	5	29