Table 2 Pathological type

I

Pilocytic astrocytoma

M9421/1

37

92.50%

7.63%

Subependymoma

M9383/1

3

7.50%

0.62%

Total

33.93 ± 17.31

21/19

40

8.25%

II

Diffuse astrocytoma (IDH mutant)

M9400/3

17

15.74%

3.51%

Diffuse astrocytoma (IDH wild type)

M9400/3

15

13.89%

3.09%

Diffuse astrocytoma (NOS)

M9400/3

15

13.89%

3.09%

Oligodendroglioma (IDH mutant and 1p/19q-codeleted)

M9450/3

29

26.85%

5.98%

Oligodendroglioma (NOS)

M9450/3

7

6.48%

1.44%

Oligoastrocytoma (NOS)

M9382/3

11

10.19%

2.27%

Pilomyxoid astrocytoma

M9425/3

2

1.85%

0.41%

Pleomorphic xanthoastrocytoma

M9424/3

8

7.41%

1.65%

Ependymoma

M9391/3

4

3.70%

0.82%

Total

43.48 ± 16.28

64/44

108

22.26%

III

Anaplastic astrocytoma (IDH mutant)

M9401/3

10

11.49%

2.06%

Anaplastic astrocytoma (IDH wild type)

M9401/3

20

22.99%

4.12%

Anaplastic astrocytoma (NOS)

M9401/3

7

8.05%

1.44%

Anaplastic oligodendroglioma (IDH mutant and 1p/19q-codeleted)

M9451/3

13

14.94%

2.68%

Anaplastic oligodendroglioma (NOS)

M9451/3

7

8.05%

1.44%

Anaplastic oligoastrocytoma (NOS)

M9382/3

17

19.54%

3.51%

Anaplastic pleomorphic xanthoastrocytoma

M9424/3

2

2.30%

0.41%

Anaplastic ependymoma

M9392/3

11

12.64%

2.27%

Total

51.39 ± 15.58

40/47

87

17.93%

IV

GBM (IDH wild type)

M9440/3

157

62.80%

32.37%

Gliosarcoma

M9442/3

5

2.00%

1.03%

Epithelioid GBM

M9443/3

1

0.40%

0.21%

GBM (IDH mutant)

M9440/3

15

6.00%

3.09%

GBM (NOS)

M9440/3

72

28.80%

14.85%

Total

58.30 ± 11.74

115/135

250

51.55%

Total

51.75 ± 16.18

240/245

485