Table 2 Distribution of patient, tumor and treatment characteristics by receiving RT or not

Age (years)

0.786

 ≤50

41

50.6

73

52.5

 >50

40

49.4

66

45.5

Gender

0.967

 Male

49

60.5

83

59.7

 Female

32

39.5

56

40.3

 Extremity

53

65.4

57

41.0

0.001

 Trunk

15

18.5

37

26.6

0.191

 Head/neck

11

13.6

2

1.4

<0.001

 Retroperitoneum

2

2.5

43

30.9

<0.001

 Rhabdomyosarcoma

12

14.8

15

10.8

0.400

 Fibrosarcoma

8

9.9

15

10.8

0.831

 MFH

28

34.6

26

18.7

0.010

 Liposarcoma

22

27.2

68

48.9

0.002

 Others

11

13.6

15

10.8

0.525

Tumor size (cm)

0.773

 ≤5

30

37.0

50

36.0

 >5

51

63.0

89

64.0

 I

4

4.9

27

19.4

0.002

 II

21

25.9

37

26.6

1.000

 III

56

69.1

75

54.0

0.033

Margin status

0.029

 Negative

66

81.5

128

92.1

 Positive

15

18.5

11

7.9

Lymph node status

0.177

 Negative

75

92.6

135

97.1

 Positive

6

7.4

4

2.9

Chemotherapy

0.019

 No

59

72.5

120

86.3

 Yes

22

27.2

19

13.7