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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