Table 1.

Correlations of CYP19A1 expression with estrogen-related protein expressions and clinicopathological features

Value	CYP19A1 in CCA
	Low (n = 29)	High (n = 45)	#P value
Age
< 57	15	21	0.671
≥ 57	14	24
Sex
Male	20	31	0.994
Female	9	14
Metastasis status
Non-metastasis	21	12	< 0.001
Metastasis	8	33
Histological type
Tubular	12	27	0.117
Papillary	17	18
Estrogen-related protein
ERα
Low	7	9	0.673
High	22	36
ERβ
Low	18	19	0.096
High	11	26
GPR30
Low	23	23	0.015
High	6	22
TFF1
Low	17	18	0.117
High	12	27

^#P value was analyzed by Pearson’s chi-square test