Table 1 Characteristics of patients with spinal cord astrocytoma in this study

Number

83

48

35

Age (year)

Median

31(6–63)

30(6–63)

35(9–52)

n.s

Gender

n.s

male

49(59%)

31(65%)

18(51%)

female

34(41%)

17(35%)

17(49%)

Histological grade

0.0068

II

51(61%)

37(77%)

14(40%)

III

20(24%)

6(13%)

14(40%)

IV

12(14%)

5(10%)

7(20%)

Location

n.s

C

29(35%)

19(40%)

10(29%)

C-T

13(16%)

6(13%)

7(20%)

T

34(41%)

19(40%)

15(43%)

T-L

7(8%)

4(8%)

3(9%)

Resection

< 0.0001

GTR

50(60%)

38(79%)

12(34%)

STR

16(19%)

6(13%)

10(29%)

OB

17(20%)

4(8%)

13(37%)

Radio

n.s

yes

53(64%)

30(63%)

23(66%)

no

18(22%)

12(25%)

6(17%)

unknown

12(14%)

6(13%)

6(17%)

Chemo

0.0484

yes

23(28%)

10(21%)

13(37%)

no

47(57%)

32(67%)

15(43%)

unknown

13(16%)

6(13%)

7(20%)

IDH

n.s

wildtype

58(70%)

33(69%)

25(71%)

mutant

0(0%)

0(0%)

0(0%)

unknown

25(30%)

15(31%)

10(29%)

TERT promoter

n.s

wildtype

45(54%)

24(50%)

21(60%)

mutant

13(16%)

9(19%)

4(11%)

unknown

25(30%)

15(31%)

10(29%)

BRAF V600E

0.0141

wildtype

50(60%)

26(54%)

24(69%)

mutant

7(8%)

7(15%)

0(0%)

unknown

26(31%)

15(31%)

11(31%)

Ki-67

< 0.0001

< 10%

44(53%)

37(63%)

7(20%)

≥10%

46(55%)

18(33%)

28(80%)

unknown

3(4%)

3(4%)

0(0%)

40.13

Und

20.7

< 0.0001