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Table 4 Comparison studies between RRP and RRP

From: Robot-assisted radical prostatectomy significantly reduced biochemical recurrence compared to retro pubic radical prostatectomy

Author, years [ref] Krambeck, 2009 [16] Barocas, 2010 [17] Park, 2014 [8] Hu, 2014 [5] Alemozaffar, 2015 [6] Yaxley, 2016 [4] Present study
Procedure RRP RARP RRP RARP RRP RARP RRP RARP RRP RARP RRP RARP RRP RARP
No. of patients 588 294 491 1413 277 730 5524 5524 621 282 163 163 490 418
Age 61 61 62 61 66.8 64.2 69 69 67.2 65.4 60.4 59.6 67 67
PSA (median, range) 5.0 (0.6–39.7) 4.9 (0.5–33.5) 5.8 (4.6–8.4) 5.4 (4.3–7.4) 10.3 (−) 9.2 (−) - - 5.6 (−) 5.0 (−) 7.57 (4–7) 7.41 (4–10) 7.9 (1.3–77) 7.6 (1.4–71)
GS
 6 or less 391 (66.5) 192 (65.5) 221 (45.3) 723 (51.5) 54 (19.5) 167 (22.9) 1958 (35.4) 1748 (31.6) - (62.7) - (53) 20 (15) 23 (18) 148 (30) 23 (5)
 7 167 (28.4) 87 (29.7) 213 (43.6) 588 (41.8) 159 (57.4) 458 (62.7) 2866 (51.9) 3224 (58.4) - (28.9) - (37) 92 (68) 87 (67) 295 (60) 288 (69)
 8–10 30 (5.1) 14 (4.8) 54 (11.1) 94 (6.7) 64 (23.1) 105 (14.4) 700 (12.7) 552 (10.0) - (8.4) - (10) 14 (17) 20 (15) 47 (9.7) 107 (26)
PSM (%)
 Total 100 (17) 46 (15.6) 148 (30.1) 281 (19.9) 58 (20.9) 170 (23.3) 1010 (18.3) 752 (13.6) - (23.1) - (24.6) 15 (10) 23 (15) 213 (44) 89 (21)
 pT2 - - - - 7.8 11.2 3.8 2.5 - - 2 3 33 10
 pT3 - - - - 36.5 44.7 18.5 13.7 - - 12 11 76 53
 pT4 - - - - - -    - -    40 -
Sites of PSM
 Base 10 (10) 4 (8.7) - - 2 (3.4) 12 (7.1)    - - - - 33 (6.7) 32 (7.7)
 Lateral lobe 49 (49) 27 (59) - - 16 (27.6) 48 (28.2)    - - - - 62 (13) 24 (5.7)
 Apex 56 (56) 13 (28) - - 22 (37.9) 58 (34.1)    - - - - 136 (28) 33 (7.8)
 Anterior 5 (5) 1 (2) - - - -    - - - - 5 (1) 5 (1)
 Posterior - - - - - -    - - - - 3 (0.6) 1 (0.2)
 Fat tissues - - - - - -    - - - - 2 (0.4) 6 (1.4)
 Seminal vesicle - - - - -     - - - - 1 (0.2) 4 (1)
 Others 4 (4) 5 (11) - - 18 (31) 52 (30.6)    - - - -   
 BCR-free rate            - -   
 1y - - - -        - - 89 94
 3y 92.2 92.4 83.5 84 92.1 (pT2)
60.0 (pT3)
96.8 (pT2)
67.3 (pT3)
   89.9 88.9 - - 81 87
 5y - - - -      84.7 88.0 - - 77 80
  1. GS Gleason score; PSM positive surgical margin; BCR biochemical recurrence