Table 1 Clinical characteristics of patients in the discovery and validation cohort.

From: Urinary exosomal microRNA profiling in intermediate-risk prostate cancer

Variables

Discovery cohort (small RNA seq)

Validation cohort (RT-qPCR)

Non-BCR (n = 21)

BCR (n = 6)

p-value

Non-BCR (n = 28)

BCR (n = 26)

p-value

Mean age, years (SD)

67.8 (5.8)

69.3 (6.7)

0.616

66.6 (6.4)

65.2 (8.5)

0.500

Pre-operative PSA (ng/mL, SD)

7.9 (3.6)

8.9 (4.7)

0.670

7.7 (4.1)

6.3 (2.2)

0.101

Gleason score, N (%)

  

0.927

  

0.061

3 + 4

11 (52.4)

3 (50)

 

19 (67.9)

11 (42.3)

 

4 + 3

10 (47.6)

3 (50)

 

9 (32.1)

15 (57.7)

 

Pathologic stage, N (%)

pT2a-c

21 (100)

6 (100)

 

28 (100)

26 (100)

 

Margin status, N (%)

  

0.056

  

0.061

Negative

18 (85.7)

2 (33.3)

 

21 (75)

13 (50.0)

 

Positive

3 (14.3)

4 (66.7)

 

7 (25)

13 (50.0)

 

PIN, N (%)

  

0.755

  

0.769

Negative

0 (0)

0 (0)

 

1 (3.6)

0 (0.0)

 

I

11 (52.4)

4 (66.7)

 

9 (32.1)

8 (30.8)

 

II

9 (42.9)

2 (33.3)

 

13 (46.4)

14 (53.8)

 

III

1 (4.8)

0 (0)

 

5 (17.9)

4 (15.4)

 

Mean time to BCR, months (range)

 

31.1 (9.1–52.1)

  

28.5 (5.1–59.4)