Prognostic value of vascular endothelial growth factor receptor 1 and class III β-tubulin in survival for non-metastatic rectal cancer

Table 2 Correlation between vascular endothelial growth factor receptor 1 and class III β-tubulin expression with clinicopathological features

	TUBB3			VEGFR1
Parameter	Low (n)	High (n)	P	Low (n)	High (n)	P
Gender			0.426			0.081
Female	17	19		22	14
Male	22	17		31	8
Age (yr)			0.31			1
≤ 60	32	26		41	17
> 60	7	10		12	5
Pre-CEA			0.203			0.244
≤ 5	20	16		26	10
> 5	8	13		12	9
Pre-Hb			0.801			0.206
≤ 120	13	13		16	10
> 120	26	23		37	12
Distance to verge (cm)			0.608			0.792
≤ 5	25	21		32	14
> 5	14	15		21	8
T stage			0.883			0.744
T1 + T2	7	6		10	3
T3 + T4	32	30		43	19
Lymph node metastasis			0.071			0.013
Negative	15	7		20	2
Positive	24	29		33	20
Tumor thrombus			0.25			1
Negative	37	31		48	20
Positive	2	5		5	2
Tumor differentiation			0.754			0.939
Poorly	11	9		14	6
Moderately-well	28	27		39	16
Chemotherapy			0.156			0.051
No	7	2		9	0
Yes	32	34		44	22
VEGFR1			0.024
Low	32	21
High	7	15

Pre-CEA: Preoperative carcino-embryonic antigen; Pre-Hb: Preoperative-hemoglobin.