Table 1 Clinicopathological characteristics of robot-assisted radical prostatectomy.

From: Contribution of Retzius-sparing robot-assisted radical prostatectomy to the mechanism of urinary continence as demonstrated by dynamic MRI

 

Median (IQR) or n (%)

Number of patients

254

Age, years

67 (64–71)

Body mass index

23.6 (21.9–25.6)

Prostate specific antigen, ng/ml

6.6 (5.0–9.2)

Biopsy Gleason Grade Group

 1

54 (21%)

 2

72 (29%)

 3

57 (22%)

 4

61 (24%)

 5

10 (4%)

Clinical stage

≦ T2

247 (97%)

T3 ≦

7 (3%)

D'Amico risk classification

 Low

48 (19%)

 Intermediate

112 (44%)

 High

94 (37%)

NADT

 No

235 (93%)

 Yes

19 (7%)

IPSS total score

9 (6–14)

ICIQ-UI SF total score

0 (0–2)

Nerve-sparing

 Non

45 (18%)

 Unilateral

175 (69%)

 Bilateral

34 (13%)

Surgical time, min

253 (212–278)

Console time, min

177 (151–214)

PLND

 Non

184 (72%)

 Limited

47 (19%)

 Exteded

23 (9%)

Retzius-sparing, Yes

58 (23%)

Bleeding, mL

100 (30–150)

Blood transfusion, Yes

0 (0%)

Clavien-Dindo classification

 Grade 2 or less

254 (100%)

 Grade 3 or grater

0 (0%)

Removed prostate volume, gr

39.5(31.0–49.0)

Catheter indwelling duration, days

7 (7–7)

Positive surgical margin

54 (21%)

Extraprostatic extension

39 (15%)

Urine loss ratio, %

4.0 (0.5–19.6)

Membranous urethral length, mm

11 (9–12)

UVJ movement, mm

1 (0–3)

PB-AR change, mm

1 (0–3)

  1. IQR interquartile range, ICIQ-UI SF International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form, IPSS International prostate symptom score, NADT neoadjuvant androgen deprivation therapy, PB-AR distance from pubic bone to anterior rectum, PLND pelvic lymphnode dissection, UVJ urethrovesical junction.