Vascular endothelial growth factor and microvascular density in esophageal and gastric carcinomas

Table 2 Relationship between expression of VEGF and MVD and pathological features of gastric carcinoma

Pathological characteristics	n	VEGF				MVD
		-	+-++	χ2	P	¯x ± s	P (t)
Degree of differentiation
Well differentiated	43	21	22	11.31	< 0.001	32.85 ± 6.14	< 0.01
Poorly differentiated	37	5	32			38.63 ± 5.10	(t = 4.53)
Depth of invasion
Not invading serosa	39	14	25	0.40	> 0.05	34.94 ± 9.26	> 0.05
Invading serosa	41	12	29			33.68 ± 9.12	(t = 0.30)
Tumor stage
Early stage	21	15	6	19.67	< 0.001	32.14 ± 5.89	< 0.05
Progressive stage	59	11	48			35.46 ± 6.58	(t = 2.04)
LN metastasis
-	52	23	29	9.32	< 0.01	33.06 ± 5.33	< 0.05
+	28	3	25			35.74 ± 7.58	(t = 2.07)