Table 1 Tumour and patient characteristics

63

-

86

-

Gender

Men

21

33.3

30

34.9

0.844

Women

42

66.7

56

65.1

Age at diagnosis

<60 years

34

54.0

46

53.5

0.954

≥60 years

29

46.0

40

46.5

Prior cancer

Yes

16

25.4

17

19.8

0.414

No

47

74.6

69

80.23

Primary location

Soft tissue

34

54.0

37

43.0

0.145

Bone

8

12.7

6

7.0

Gynaecological viscera

10

15.9

15

17.4

Other viscera

11

17.4

28

32.6

Histological subtypes

Dermatofibrosarcoma

4

6.3

5

5.8

0.412

Kaposi sarcoma

0

0.0

4

4.7

Leiomyosarcoma

8

12.7

9

10.5

Liposarcoma

12

19.0

9

10.5

Synovial sarcoma

1

1.6

8

9.3

Other soft tissue sarcomas

27

42.9

39

45.3

Ewing sarcoma

2

3.2

1

1.2

Chondrosarcoma

4

6.3

4

4.7

Osteosarcoma

1

1.6

1

1.2

Other osseous sarcomas

1

1.6

1

1.2

Gastro-intestinal stromal Tumour

3

4.8

5

5.8

Histological grade

Low grade

15

23.8

27

31.4

0.386

Intermediate

12

19.0

8

9.3

High

22

34.9

26

30.2

Not applicable

4

6.4

8

9.3

Unknown

10

15.9

17

19.8

Location

Superficial

18

28.6

19

22.1

0.553

Deep

45

71.4

66

76.7

Unknown

0

0

1

1.2

Size

<5 cm

19

30.2

16

18.6

0.243

> = 5 cm

30

47.6

50

58.1

Unknown

14

22.2

20

23.3

Lymph node involvement

Yes

6

9.5

6

7.0

0.752

No

53

84.1

72

83.7

Unknown

4

6.4

8

9.3

Metastasis at diagnosis

Yes

17

27.0

16

18.6

0.383

No

41

65.1

65

75.6

Unknown

5

7.9

5

5.8