International Scholarly Research Notices

Clinical Study

Does Changeover by an Experienced Open Prostatic Surgeon from Open Retropubic to Robot-Assisted Laparoscopic Prostatectomy Mean a Step Forward or Backward?

Table 1

Patient characteristics, preoperative and postoperative tumor characteristics, and details of surgery in the study population—robotic-assisted prostatectomy versus retropubic prostatectomy.


Variable	RRP ()	RALP ()	value

Patient characteristics

Age (yrs) (median (IQR))	66 (60–70)	67 (61–71)	0.3030
Body mass index (median (IQR))	26.28 (24.42–28.41)	26.37 (24.02–28.41)	0.8551
Prostate weight (g) (median (IQR))	52.4 (42.0–66.0)	55.0 (44.3–67.5)	0.5991
ICSmaleSF incontinence score (median (IQR))	0 (0-1)	1 (0–2)	0.2038

Preoperative tumor characteristics

PSA (ng/mL) (median (IQR))	7.60 (5.74–11.97)	6.61 (4.90–9.90)	0.0247
Clinical stage ( (%))
T1	70 (66.7)	62 (59.0)
T2	25 (23.8)	36 (34.3)
T3	10 (9.5)	2 (1.9)	0.0214
Missing data	0	5 (4.8)
Biopsy Gleason score ( (%))
5-6	56 (53.3)	61 (58.1)
7	30 (28.6)	36 (34.3)
8–10	19 (18.1)	8 (7.6)	0.0728
Missing data	0	0

Postoperative tumor characteristics

Pathological stage ( (%))
T2	64 (60.9)	65 (61.9)
T3a	27 (25.7)	27 (25.7)
T3b	6 (5.7)	10 (9.5)	0.0923
T4	8 (7.6)	1 (0.9)
Missing data	0	2 (1.9)
Prostatectomy Gleason score ( (%))
5-6	39 (37.1)	39 (37.1)
7a	33 (31.4)	46 (43.8)
7b	14 (13.3)	9 (8.6)	0.1109
8–10	19 (18.1)	10 (9.5)
Missing data	0	1 (0.9)
Lymph node metastasis ( (%))
N0/X	91 (86.7)	96 (91.4)
N1	13 (12.4)	9 (8.6)	0.3772
Missing data	1 (0.9)	0
Surgical margin status ( (%))
R0	74 (70.5)	83 (79.0)
R1	30 (28.6)	21 (20.0)	0.1970
Missing data	1 (0.9)	1 (0.9)

Details of surgery

Nerve sparing surgery ( (%))
Yes	89 (84.8)	86 (81.9)
No	14 (13.3)	18 (17.1)	0.5648
Missing data	2 (1.9)	1 (0.9)
Pelvic lymphadenectomy ( (%))
Yes	87 (82.8)	68 (64.8)
No	12 (11.4)	37 (35.2)	<0.001
Missing data	6 (5.7)	0

IQR: interquartile range; PSA: prostate-specific antigen; RALP: robotic-assisted laparoscopic prostatectomy; RRP: radical retropubic prostatectomy.