Value of glucose transport protein 1 expression in detecting lymph node metastasis in patients with colorectal cancer

Table 3 The correlation between glucose transport protein 3 expression and clinicopathologic parameters

	GLUT-3 (center)		P value	GLUT-3 (periphery)		P value
	(-) (n = 153)	(+) (n = 12)		(-) (n = 78)	(+) (n = 91)
Age (yr), mean ± SD	64.5 ± 11.8	63.0 ± 14.6	0.729	64.1 ± 11.9	67.8 ± 13.0	0.194
Sex
Male	98	5	0.135	93	7	0.013
Female	55	7		49	13
Tumor size (mean ± SD)	5.07 ± 2.0	5.02 ± 2.0	0.931	5.05 ± 2.0	5.20 ± 1.6	0.743
T stage
T1, 2	20	2	0.663	20	1	0.475
T3, 4	133	10		122	19
N stage
N0	93	4	0.074	89	6	0.007
N1-2	60	8		53	14
AJCC stage
I, II	91	4	0.127	87	6	0.014
III, IV	62	8		53	14
Lymphatic invasion
Negative	128	11	0.693	120	17	1.000
Positive	25	1		22	33
Perineural invasion
Negative	127	8	0.234	117	17	1.000
Positive	26	4		25	3
Blood sugar level (mean ± SD)	111.3 ± 32.0	109.2 ± 26.9	0.803	112.7 ± 33.0	101.8 ± 20.3	0.150
SUV max of primary tumor (mean ± SD)	14.1 ± 7.5	13.5 ± 4.7	0.678	14.3 ± 7.6	12.9 ± 4.8	0.433
SUV max of lymph node (mean ± SD)	1.6 ± 2.8	2.8 ± 4.0	0.328	1.4 ± 2.7	3.8 ± 4.0	0.013

GLUT-3: Glucose transport protein 3; SD: Standard deviation; AJCC: American Joint Committee on Cancer; SUV: Standardized uptake value.