Clinicopathologic variables

No.

Mean survival

P value

Age

<40

≥40

6

30

60

43

P = 0.4

Gender

Male

Female

20

16

42

51

P = 0.3

Mitotic count per 50 HPF

≤5

5 -10

>10

11

14

3

50

36

48

P = 0.4

Tumour size

≤2

>2 - 5

>5 - 10

>10

1

4

11

20

53

48

34

42

P = 0.4

c-kit immunoreactivity

Negative

Positive

8

21

48

42

P = 0.4

Histopathology

Spindle cells

Epithelioid cells

Mixed

23

7

5

46

54

21

P = 0.5