Table 1 Clinical characteristics and routine MRI features

Number

25

23

N/A

Age^a

40.17 ± 11.87

43.16 ± 12.53

0.549

Gender

0.971

 Male

14

10

 Female

11

13

Midline Invasion

0.882

 Yes

7

6

 No

18

17

Lesion location

0.571

 Frontal Lobe

11

12

 Non-Frontal Lobe

14

11

Lesion Size

0.154

 <6 cm

9

13

 ≥ 6 cm

16

10

Lesion Margin

0.010

 Sharp

19

9

 Blurred

6

14

Histological Classification

0.309

 Astrocytoma

18

16

 Oligodendroglioma

3

6

 Unclear

4

1

Pathological Grading

0.020

 II

11

17

 III

14

5

Therapy after surgery

0.428

 Chemotherapy and radiotherapy

10

16

 Chemotherapy

2

1

 Radiotherapy

7

5

 Not clear

6

3