Table 1 Anthropometric and perioperative data for the 33 study participants (mean(SD))

Anthropometric data

 Age (yr)

60 (7)

63 (6)

62 (6)

 Height (m)

1.76 (0.07)

1.75 (0.05)

1.75 (0.06)

 Weight (kg)

92 (12)

83 (10)

86 (11)

 BMI (kg.m^-2)

29.6 (4.5)

27.3 (3.0)

27.9 (3.6)

Preoperative factors

PSA (ng/mL)

5.8 (4.2)

5.0 (2.1)

5.2 (2.8)

Preoperative Gleason score

 3 + 3

1 (11%)

5 (21%)

6 (18%)

 3 + 4

5 (56%)

16 (67%)

21 (64%)

 4 + 3

3 (33%)

2 (9%)

5 (15%)

 4 + 4

0 (0%)

1 (4%)

1 (3%)

Clinical tumour stage

 cT1

4 (44%)

13 (54%)

17 (52%)

 cT2

5 (56%)

11 (46%)

16 (48%)

 cT3

0 (0%)

0 (0%)

0 (0%)

 cT4

0 (0%)

0 (0%)

0 (0%)

Prostate volume (cc)

40.2 (13.4)

41.2 (12.5)

40.9 (12.6)

Intraoperative factors

Nerve sparing

 None

3 (33%)

3 (13%)

6 (18%)

 One bundle

2 (22%)

2 (9%)

4 (12%)

 Two bundles

4 (44%)

19 (79%)

23 (70%)

Pelvic lymph node dissection

7 (78%)

2 (9%)^a

9 (27%)

Bladder neck preservation

0 (0%)

23 (96%)^a

23 (70%)

Postoperative factors

Postoperative Gleason score

 3 + 3

1 (11%)

3 (13%)

4 (12%)

 3 + 4

6 (67%)

16 (67%)

22 (67%)

 4 + 3

2 (22%)

5 (21%)

7 (21%)

 4 + 4

0 (0%)

0 (0%)

0 (0%)

Pathological tumour stage

 pT2

6 (67%)

18 (75%)

24 (73%)

 pT3

3 (33%)

6 (25%)

9 (27%)

 pT4

0 (0%)

0 (0%)

0 (0%)

Positive lymph nodes

1/7 (14%)

0/2 (0%)

1/9 (11%)

Positive margins

2 (22%)

2 (9%)

4 (12%)

Duration of postoperative hospital stay (d)

2.9 (0.3)

2.0 (0.2)^a

2.3 (0.5)

Duration of postoperative catheterization (d)

10.2 (3.0)

8.4 (1.6)

8.9 (2.2)

Anastomic structure

0 (0%)

1 (4%)

1 (3%)