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

Table 1 Relationship between expression of VEGF and MVD and pathological features of esophageal carcinoma

Pathological characteristics	n	VEGF				MVD
		-	+-++	χ2	P	¯x ± s	P(t)
Degree of differentiation
Well differentiated	27	9	18	7.08	< 0.05	38.52 ± 9.22	< 0.05
Poorly differentiated	32	2	30			43.43 ± 7.61	(t = 2.07)
Depth of invasion
Invading musclaris	37	7	30	0.01	> 0.05	40.38 ± 8.31	> 0.05
Invading serosa	22	4	18			42.53 ± 9.24	(t = 0.88)
LN metastasis
-	35	10	25	5.59	< 0.05	38.22 ± 8.54	< 0.05
+	24	1	24			45.5 ± 7.04	(t = 3.23)