Table 6 PD-1/PD-L1 expression in tumour cells

Age

0.175

0.320

 < 60

5

5

0

2

3

 60–69

25

25

0

19

6

 70–79

38

38

0

29

9

 > 80

28

26

2

22

6

PSA

0.895

0.270

 < 4.0

5

5

0

2

3

 4–10

3

3

0

2

1

 10–20

14

14

0

10

4

 > 20

74

72

2

58

16

Gleason score

0.719

0.049

 < 7

5

5

0

5

0

 7

25

24

1

23

2

 ≥ 8

66

65

1

44

22

pT stage

0.095

0.204

 T1+T2

30

28

2

20

10

 T3+T4

66

66

0

52

14

pN stage

0.180

0.404

 pN0

41

39

2

29

12

 pN1

55

55

0

43

12

Grade of risk factors

1.000

0.638

 Moderate

6

6

0

4

2

 High

90

88

2

68

22