Functional Preservation and Oncologic Control following Robot-Assisted versus Laparoscopic Radical Prostatectomy for Intermediate- and High-Risk Localized Prostate Cancer: A Propensity Score Matched Analysis
Table 1
Preoperative characteristics by surgery type before and after propensity score matching.
Variable
Before propensity score matching
After propensity score matching
RARP (n = 137)
LRP (n = 95)
value
RARP (n = 85)
LRP (n = 85)
value
Age, years, mean (SD)
65.4 (7.3)
68.0 (7.3)
0.010
65.5 (7.3)
67.2 (7.2)
0.138
BMI, kg/m2, mean (SD)
23.2 (3.5)
22.2 (3.8)
0.044
23.1 (3.6)
22.7 (3.8)
0.482
Diabetes mellitus (yes), n (%)
17 (13.4%)
15 (15.8%)
0.614
12 (14.1%)
14 (16.5%)
0.670
Hypertension (yes), n (%)
33 (26.0%)
23 (24.2%)
0.763
22 (25.9%)
20 (23.5%)
0.722
ASA score (≥3), n (%)
7 (5.5%)
7 (7.4%)
0.573
4 (4.7%)
5 (5.9%)
1.000
Preoperative total PSA, ng/mL, median (IQR)
17.5 (10.2, 34.1)
19.6 (10.0, 36.3)
0.495
18.4 (10.1, 34.0)
19.5 (10.2.35.5)
0.734
Prostate volume, mL, mean (SD)
38.4 (10.6)
43.9 (13.0)
0.001
39.7 (10.8)
42.8 (13.0)
0.093
Preoperative IIEF-5 score, median (IQR)
17 (14, 19)
15 (13, 18)
0.011
18 (14.3, 19)
16 (13, 18.75)
0.113
cTNM stage, n (%)
0.365
0.385
T1-T2a
52 (41.0%)
48 (50.5%)
37 (43.5%)
46 (54.1%)
T2b
46 (36.2%)
29 (30.5%)
31 (36.5%)
25 (29.4%)
T2c
29 (22.8%)
18 (19.0%)
17 (20.0%)
14 (16.5%)
Biopsy Gleason score, median (IQR)
6 (5, 8)
7 (6, 8)
0.020
7 (5.75, 8)
7 (6, 8)
0.214
High risk┿, n (%)
62 (45.3%)
53 (55.8%)
0.115
43 (50.6%)
46 (54.1%)
0.645
SD: standard deviation; BMI: body mass index; ASA: American Society of Anesthesiologists; IIEF: International Index of Erectile Function; IQR: interquartile range. ┿According to the D'Amico risk classifications.
