Demographic and clinical characteristics of the analytic cohort.
Variables
Anterior approach (n = 135)
Transvesical approach (n = 73)
Posterior approach (n = 66)
Age, years, mean (SD)
67.6 (7.2)
63.4 (7.1)
66.5 (7.3)
0.001
BMI, kg/m2, mean (SD)
22.6 (3.7)
23.7 (3.8)
25.1 (4.5)
0.001
Diabetes mellitus (yes), n (%)
34 (25.2%)
10 (13.7%)
8 (12.1%)
0.035
Hypertension (yes), n (%)
41 (30.4%)
26 (35.6%)
27 (40.9%)
0.323
ASA score (≥3), n (%)
13 (9.6%)
5 (6.8%)
4 (6.1%)
0.621
Preoperative total PSA, ng/mL, mean (SD)
24.7 (12.4)
19.8 (6.1)
17.8 (6.7)
0.001
Prostate volume, mL, mean (SD)
42.7 (13.7)
36.8 (9.6)
38.7 (14.2)
0.004
Clinical TNM stage, n (%)
0.002
T1c
59 (43.7%)
28 (38.4%)
16 (24.2%)
T2a-b
55 (40.7%)
42 (57.5%)
44 (66.7%)
T2c
21 (15.6%)
3 (4.1%)
6 (9.1%)
Biopsy Gleason score, median (IQR)
7 (6.8)
6 (5.7)
6 (5.7)
0.001
SD: standard deviation; BMI: body mass index; ASA: American Society of Anesthesiologists; IQR: interquartile range. †Continuous variables were compared using the Kruskal–Wallis test, and categorical variables were compared using the Chi-square test.
