Table 2.

Correlations between clinicopathological characteristics and VEGF polymorphisms.

Characteristics	n	-460C>T			P-value	-1154G>A			P-value
		CC	CT	TT		GG	GA	AA
Age (years)					0.858				0.128
≥60	54	34	18	2		24	25	2
<60	46	31	13	2		27	16	6
Sex					0.908				0.124
Male	55	35	18	2		33	19	3
Female	45	30	13	2		18	22	5
Histopathological grade					<0.001				<0.001
Well-differentiated	26	12	10	4		25	1	0
Moderately-differentiated	34	15	19	0		16	16	2
Poorly-differentiated	40	38	2	0		10	24	6
Lymph node involvement					0.606				0.141
Yes	35	25	9	1		22	11	2
No	65	40	22	3		29	30	6