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Table 1 Patient characteristics

From: Intraoperative radiotherapy with low energy x-rays for primary and recurrent soft-tissue sarcomas

Characteristic

N

%

Age

 Median Age (Range) [years]

48 [15–77]

Gender

 Male

16

51.6

 Female

15

48.4

Disease Status

 Primary

6

19.4

 Recurrent

25

80.6

Tumor Location

 Upper extremity

3

9.7

 Lower extremity

13

42

 Abdomen/pelvis

11

35.5

 Thorax

3

9.7

 Head and neck

1

3.2

Histology

 Liposarcoma

9

29.0

 Leiomyosarcoma

3

9.7

 Myxofibrosarcoma

3

9.7

 Neurofibrosarcoma

4

12.9

 Others

12

38.7

Grading

 G1

6

19.4

 G2

8

25.8

 G3

8

25.8

 Unknown

9

29.0

Tumor Size

 Mean/Range [cm]

7.1 [1.8–22.0]

Prior RT

 Yes

13

41.9

 No

18

58.1

Resection Status

 R0

18

58.1

 R1

8

25.8

 R2

2

6.5

 Unknown

3

9.7

IORT

 Spherical applicator

28

90.3

 Flat applicator

3

9.7

 Dose (Range) [Gy]

5–20

EBRT after IORT

 Yes

15

48.4

 No

16

51.6

Systemic therapy after IORT

 Yes

9

29.0

 No

22

71.0