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Table 3 Weighted agreement and score changes between RP GG and three biopsy schemes GG

From: A novel biopsy scheme for prostate cancer: targeted and regional systematic biopsy

 

RP GG

 

Agreement

Weighted κ

Downgrade

No

Upgrade

1

2

3

4

5

Total

(%)

(95% CI)

Change

TB GG

    

43.3

0.48

(0.41–0.55)

14.9%

43.3%

41.8%

0

7

11

1

0

0

19

  

0

0

19

1

2

18

4

0

0

24

  

0

2

22

2

1

35

10

4

2

52

  

1

35

16

3

0

14

28

7

3

52

  

14

28

10

4

0

4

4

9

14

31

  

8

9

14

5

0

0

2

4

10

16

  

6

10

0

TrSB GG

    

46.4

0.51

(0.43–0.58)

16.0%

46.4%

37.6%

0

2

1

0

0

0

3

  

0

0

3

1

5

22

3

0

0

30

  

0

5

25

2

3

41

15

4

1

64

  

3

41

20

3

0

14

25

7

5

51

  

14

25

12

4

0

4

3

9

13

29

  

7

9

13

5

0

0

3

4

10

17

  

7

10

0

STB GG

    

45.9

0.51

(0.44–0.58)

16.5%

45.9%

37.6%

0

0

0

0

0

0

0

  

0

0

0

1

7

23

2

0

0

32

  

0

7

25

2

3

43

17

4

1

68

  

3

43

22

3

0

14

22

8

5

49

  

14

22

13

4

0

2

5

7

13

27

  

7

7

13

5

0

0

3

5

10

18

  

8

10

0

  1. RP indicates radical prostatectomy; GG indicates Grade Group; TB indicates targeted biopsy; TrSB indicates targeted and regional systematic biopsy; STB indicates standard biopsy(systematic and targeted); CI indicates confidence interval