Table 1 The correlation between vasculogenic mimicry formation with clinicopathological features in 50 glioblastoma samples.

	No.	VM		χ²	p-value
	No.	Positive	Negative	χ²	p-value
Sex
Male	33	14	19	3.07	0.117^a
Female	17	3	14
Age (years)
<50	27	8	19	0.5	0.557^a
≥50	23	9	14
Tumor size (diameter)
<5	21	10	11	2.993	0.131^a
≥5	29	7	22
IDH
Yes	7	3	4	0.011	0.9182^b
No	43	14	29
MGMT
Yes	25	10	15	0.802	0.370^a
No	25	7	18
Preoperative epilepsy
Yes	10	4	6	0.006	0.941^b
No	40	13	27
MVD
<median	28	5	23	7.39	0.007^a
>median	22	12	10
Extent of tumor resection
Gross total/subtotal	38	13	25	0.000	1.000^b
Partial	12	4	8
TNC
Positive	27	15	12	13.788	0.001^a
Negative	23	2	21

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