Table 1.

Clinicopathologic characteristics of patients in the study.

		The expression of SLC6A1
Clinicopathologic Characteristics		High expression(n = 56)	Low expression(n = 26)	P value
Gender	Male	42	19	0.8527
	Female	14	7
Age(years)	<60	26	14	0.5318
	≥60	30	12
Tumor size(cm)	<4	21	15	0.0864
	≥4	35	11
Clinical stage	I-II	8	10	0.0138*
	III-IV	48	16
Tumor stage	T1-T2	31	8	0.0380*
	T3-T4	25	18
Lymph node metastasis	Absence	36	7	0.0016**
	Presence	20	19
Distant metastasis	Absence	34	9	0.0277**
	Presence	22	17

^*P < 0.5,

^**P < 0.01 determined by Chi-Square test.