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Table 2 Characteristics of prostate cancer

From: Characterization of prostate cancer detected at repeat biopsy

A Clinical characteristics of prostate cancer diagnosed at repeat and initial biopsy.

 

Cancer at repeat biopsy (n = 23)

Cancer at initial biopsy (n = 162)

P

Patient age*

72.0 ± 5.7

71.5 ± 6.8

0.670

PSA (ng/ml)*

12.6 ± 8.6

27.0 ± 38.8

0.205

Gleason score*

6.3 ± 2.0

7.11 ± 1.59

0.150

No. of positive cores*

2.6 ± 2.2

3.33 ± 2.25

0.204

cT

  

0.005

   T1a-c

18 (78%)

79 (49%)

 

   T2a-c

5 (22%)

61 (37%)

 

   T3a,b

0 (0%)

16 (10%)

 

   T4

0 (0%)

6 (4%)

 

cN

  

0.059

   N0

23 (100%)

142 (79%)

 

   N1, N2

0 (0%)

20 (21%)

 

B Pathological characteristics of prostate cancer diagnosed at repeat biopsy and initial biopsy at the time of radical prostatectomy.

 

Cancer at repeat biopsy (n = 15)

Cancer at initial biopsy (n = 72)

P

Patient age*

72.3 ± 6.4

68.5 ± 5.5

0.042

PSA level*

14.3 ± 9.5

16.4 ± 24.9

0.59

Gleason score*

7.2 ± 1.4

7.1 ± 1.7

0.81

Pathological factor

   

   ≤ pT2b

11 (73%)

32 (44%)

0.041

   ≥ pT3a

4 (27%)

40 (56%)

 

   pN0

14 (93%)

67 (93%)

0.97

   pN1

1 (7%)

5 (7%)

 

   cap (+)

4 (27%)

32 (44%)

0.20

   pn (+)

6 (40%)

37 (51%)

0.42

   sv (+)

1 (7%)

12 (17%)

0.32

Biochemical failure

4 (27%)

26 (36%)

0.48

  1. *Data indicates the means ± SD.
  2. #Biochemical failure represents the number of the patients, who were diagnosed as biochemical failure.
  3. Abbreviations: PSA, prostate specific antigen; cap(+), positive for capsular invasion; pn(+), positive for perineural invasion; sv(+), positive for seminal vesicle invasion.