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Table 1 Baseline characteristics

From: Prognostic implications of PD-L1 expression in patients with soft tissue sarcoma

Variables

 

PD-L1 expression

P value

N (%)

-

+

Sex

Male

50 (61 %)

31 (66 %)

19 (54 %)

0.284

Female

32 (39 %)

16 (34 %)

16 (46 %)

 

Age (year, median, range)

26 (1–78)

26.3 ± 19.7

30.6 ± 20.0

0.773

Tumor size (cm, median, range)

5.0 (1.5–12.0)

5.0 ± 1.8

5.3 ± 1.7

0.711

Histologic type

Rhabdomyosarcoma

32 (39 %)

20 (43 %)

12 (34 %)

0.004

Synovial sarcoma

19 (23 %)

9 (19 %)

10 (29 %)

 

Ewing sarcoma

18 (22 %)

12 (26 %)

6 (17 %)

 

Epithelioid sarcoma

7 (9 %)

0 (0 %)

7 (20 %)

 

Mesenchymal chondronsarcoma

6 (7 %)

6 (13 %)

0 (0 %)

 

Tumor location

Trunk

13 (16 %)

9 (19 %)

4 (11 %)

0.073

Abdomen/pelvis

20 (24 %)

14 (30 %)

6 (17 %)

 

Head/Neck

22 (27 %)

14 (30 %)

8 (23 %)

 

Extremities

27 (33 %)

10 (21 %)

17 (49 %)

 

FNCLCC Grade

1

17 (21 %)

11 (23 %)

6 (17 %)

0.242

2

34 (41 %)

19 (40 %)

15 (43 %)

 

3

31 (38 %)

17 (36 %)

14 (40 %)

 

Initial distant metastasis

No

67 (82 %)

38 (81 %)

29 (83 %)

0.816

Yes

15 (18 %)

9 (19 %)

6 (17 %)

 

Surgery

No

6 (7 %)

2 (4 %)

4 (11 %)

0.217

Yes

76 (93 %)

45 (96 %)

31 (89 %)

 

Resection margin

Negative

59 (72 %)

29 (62 %)

30 (86 %)

0.017

Positive

23 (28 %)

18 (38 %)

5 (14 %)

 

Chemotherapy

No

35 (43 %)

21 (45 %)

14 (40 %)

0.672

Yes

47 (57 %)

26 (55 %)

21 (60 %)

 

Radiotherapy

No

45 (55 %)

26 (55 %)

19 (54 %)

0.926

Yes

37 (45 %)

21 (45 %)

16 (46 %)