Table 1 Clinical characteristics of patients enrolled in the study (χ2 or Fisher’s exact test for categorical and t-test or Mann–Whitney test for continuous variables).

From: R-LESS-RP versus C-LESS-RP: a single-institution retrospective comparative study

 

C-LESS-RP

R-LESS-RP

p value

Number

106

124

 

Age (years) (median ± SD)

71 ± 6.93

70 ± 8.01

0.63

BMI (median ± SD)

23.4 ± 3.10

23.7 ± 2.86

0.81

Preop tPSA (ng/ml) (median ± SD)

15.67 ± 41.27

11.7 ± 36.73

0.037

Prostate volume (ml) (median ± SD)

38.58 ± 23.21

41.5 ± 29.31

0.32

Pathology Gleason score, n (%)

 3 + 3

9 (8.82)

17 (13.71)

0.07

 3 + 4

17 (16.04)

33 (26.61)

 3 + 5

1 (0.94)

1 (0.81)

 4 + 3

18 (16.98)

27 (21.78)

 4 + 4

17 (16.04)

13 (10.48)

 4 + 5

25 (23.58)

13 (10.48)

 5 + 4

7 (6.60)

10 (8.06)

 5 + 5

1 (0.94)

2 (1.61)

 Unknown

11 (10.38)

7 (5.64)

Clinical stage, n (%)

 I

8 (7.55)

9 (7.26)

0.45

 II

27 (25.47)

45 (36.29)

 III

49 (46.23)

51 (41.13)

 IV

20 (18.87)

18 (14.52)

 Unknown

2 (1.89)

1 (0.81)

  1. C-LESS-RP conventional laparoendoscopic single-site radical prostatectomy, R-LESS-RP Robot-assisted laparoendoscopic single-site radical prostatectomy, BMI body mass index, SD standard deviation.