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Table 2 Comparison of patients with and without biochemical recurrence

From: Risk of biochemical recurrence based on extent and location of positive surgical margins after robot-assisted laparoscopic radical prostatectomy

 

Recurrence-free n = 315

Biochemical Recurrence n = 138

Preoperative data

Age – median (IQR)

63.0 (58.0–68.0)

64.0 (59.0–69.0)

Preoperative PSA – median (IQR)

6.0 (4.5–8.0)

8.0 (5.9–10.9)

Pathological results

Pathological Gleason Score

 ≤6

150 (48%)

21 (15%)

 3 + 4

113 (36%)

46 (33%)

 4 + 3

33 (10%)

31 (22%)

 > 8

19 (6%)

36 (26%)

 unknown

0 (0%)

3 (2%)

pT stage

 pT2

259 (82%)

62 (45%)

 pT3a

40 (13%)

35 (25%)

 pT3b

16 (5%)

36 (26%)

 pT4

0 (0%)

2 (1%)

 unkwon

0 (0%)

3 (2%)

 Involvment of lymph nodes

2 (1%)

10 (7%)

Positive surgical margins

 Apical

  

 focal

29 (9%)

14 (10%)

 extensive

6 (2%)

13 (9%)

Posterolateral

 focal

18 (6%)

21 (15%)

 extensive

7 (2%)

11 (8%)

Base

 focal

11 (3%)

11 (8%)

 extensive

4 (1%)

3 (2%)

Bladder neck

 focal

1 (0%)

1 (1%)

 extensive

0 (0%)

0 (0%)