Table 1

Demographics and comparison of positive surgical margins between RALP and RRP

RALP

RRP

P


Case number

182

80

Percentage

69.5%

30.5%

Age

60.8 ± 6.8*

60.5 ± 6.8*

0.772**

Weight (gram)

47.8 ± 16.1*

40.1 ± 14.8*

< 0.001**

Gleason score

6.5 ± 0.8*

7.0 ± 0.8*

< 0.001**

Tumor volume (%)

16.0 ± 13.6*

18.8 ± 14.9*

0.207 **

Pathologic stage

0.305***

T2a

28 (15.4%)

6 (7.5%)

T2b

8 (4.4%)

4 (5.0%)

T2c

112 (61.5%)

51 (63.8%)

T3

33 (18.1%)

19 (23.8%)

T4

1 (0.6%)

0 (0.0%)

Positive surgical margin

(positive rate in parentheses)

All patients

52 (28.6%)

46 (57.5%)

< 0.001**

T2a & T2b

8 (22.2%)

3 (30.0%)

0.610**

T2c

27 (24.1%)

30 (58.8%)

< 0.001**

T3 & T4

17 (50.0%)

13 (68.4%)

0.194**


* Mean ± SD; ** Student t-test for the analysis between RALP and RRP; *** Chi-square test (T4 not included in the test)

Hong et al. Diagnostic Pathology 2012 7:24   doi:10.1186/1746-1596-7-24

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