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Table 2 Factors associated with positive surgical margins in prostatectomy specimens from RALP

From: Effects of robotic-assisted laparoscopic prostatectomy on surgical pathology specimens

 

Negative Margin

Positive Margin

P

Case number

130

52

 

Tumor stage

  

0.014*

   2a

23

5

 

   2b

5

3

 

   2c

83

27

 

   ≥ 3a

17

17

 

Tumor volume (%)

14.1 ± 11.5**

21.2 ± 17.2**

0.021***

Gleason score

6.5 ± 0.7**

6.8 ± 0.8**

0.033***

Weight (gram)

49.8 ± 16.6**

42.7 ± 13.7**

0.004***

Surgeons

  

0.977*

   Surgeon one

37

14 (27.5%)****

 

   Surgeon two

69

28 (28.9%)****

 

   Others

24

10 (29.4%)****

 
  1. * Chi square test; ** Mean ± SD; *** Student t-test between negative surgical margin group and positive surgical margin group; **** Positive surgical margin rate for each surgeon in parentheses