Table 1 Demographic data, image findings, and operative factors of patients with robotic-assisted radical prostatectomy. MRI = magnetic resonance image; PSA = prostate-specific antigen; Post-OP = postoperative.
Number (N) of patients | 85 | |
|---|---|---|
Demographic data | ||
Age (years) | Median, IQR | 67 (62–72) |
Body mass index | Median, IQR | 25.4 (23.5–27.3) |
Initial PSA level (ng/mL) | Median, IQR | 11.8 (7.3–16.7) |
Gleason group (N) | Group 1 | 4 (4.7%) |
Group 2 | 34 (40.0%) | |
Group 3 | 30 (35.3%) | |
Group 4 | 5 (5.9%) | |
Group 5 | 12 (14.1%) | |
Pre-OP T stage by MRI (N) | No tumor focus | 4 (4.7%) |
T2 | 29 (34.1%) | |
T3a | 39 (45.9%) | |
T3b | 11 (12.9%) | |
T4 | 2 (2.4%) | |
Post-OP T stage by pathology (N) | T2 | 35 (41.2%) |
T3a | 33 (38.8%) | |
T3b | 17 (20.0%) | |
Image finding | ||
Prostate volume (mL) | Mean | 42.2 ± 18.5 |
Prostate urethral angle (°) | Mean | 57.3 ± 13.5 |
Cross-sectional area of the bladder neck (cm2) | Mean | 8.2 ± 3.1 |
Membranous urethra length (cm) | Mean | 1.5 ± 0.4 |
Intravesical prostatic protrusion (N) | 19 (22.4%) | |
History of trans-urethral resection of the prostate (N) | 7 (8.2%) | |
Operative factor | ||
Neurovascular bundle (N) | Bilateral preserved | 43 (50.6%) |
At least partial excision | 42 (49.4%) | |
Bladder neck reconstruction (N) | No | 66 (77.7%) |
Yes | 19 (22.3%) | |
