Table 1.

Correlation between OCT1 expression and clinicopathological characteristics

	OCT1 protein expression		P value
	Low (N = 40)	High (N = 58)
Age			0.076
<65	21	20
≥65	19	38
Gender			0.867
Male	20	30
Female	20	28
Location			0.737
Right	20	27
Others	20	31
T stage			0.700
T1 + T2	25	34
T3 + T4	15	24
N stage			0.027*
N0	27	26
N1 + N2	13	32
M stage			0.014*
M0	40	50
M1	0	8
AJCC stage			0.002*
I + II	29	24
III + IV	11	34
Differentiation			0.022*
Moderate + well	28	27
Poor	12	31
Vascular invasion			0.418
No	24	30
Yes	16	28

P value derived from chi-square test or Fisher’s test

AJCC American Joint Committee on Cancer

*P < .005