Study on vasculogenic mimicry in malignant esophageal stromal tumors

Table 1 Relationship between VM and the expression of VEGF and MVD

Existence of VM	Samples	VEGF	MVD
Yes	12	91.49 ± 29.12	45.84 ± 13.81
No	24	128.39 ± 18.45	76.92 ± 14.62
t value		3.874	5.972
P value		0.002	0

Table 2 Relationship between the degree of tumors’ malignancy and the expression of VEGF, as well as MVD and VMD

Malignancy	Samples	VEGF	MVD	VMD
Low	4	45 ± 19	15 ± 8	38 ± 25
High	8	128 ± 42	81 ± 17	122 ± 39
F value		4.1262	12.139	5.826
P value		0.047	0.002	0.037