Table 2: Clinical and pathological findings regarding the preservation of urethra until the level of verumontanum.

Group AGroup B

Number of patients115129
Age (years), mean ± std, IQR66.8 ± 6.68, 965.6 ± 6.28, 80.058
PSA (ng/mL), mean ± std, IQR9.15 ± 4.15, 5.79.43 ± 5.82, 4.830.562
Preoperative Gleason score, (%)0.969
 ≤657 (49.6)66 (51.2)
 745 (39.1)49 (38.0)
 ≥813 (11.3)14 (10.9)
Pathological Gleason score, (%)0.871
 ≤645 (39.1)49 (38.0)
 750 (43.5)60 (46.5)
 ≥820 (17.4)20 (15.5)
Pathological stage, (%) 0.433
 T2a12 (10.4)16 (12.4)
 T2b4 (3.48)5 (3.88)
 T2c63 (54.8)77 (59.7)
 T3a18 (15.7)21 (16.3)
 T3b18 (15.7)10 (7.75)
Extracapsular disease, (%)0.204
 Yes36 (31.3)31 (24.0)
 No79 (68.7)98 (76.0)
Surgical margins, (%)0.562
 Negative96 (83.5)104 (80.6)
 Positive19 (16.5)25 (19.4)
Biochemical relapse, (%)0.321
 Yes20 (17.4)19 (14.7)
 No95 (82.6)110 (85.3)
Urgency at 1st month, (%)<0.001‡*
 Yes71 (61.7)45 (34.9)
 No44 (38.3)84 (65.1)
Nocturia at 1st month, (%)<0.001‡*
 Yes74 (64.3)47 (36.4)
 No41 (35.7)82 (63.6)
Incontinence at 1st month, (%)
 Urge29 (25.2)18 (14.0)0.026‡*
 Stress62 (53.9)53 (41.1)0.045‡*
Incontinence at 1st year, (%)
 Urge12 (10.4)11 (8.53)0.611
 Stress24 (20.9)23 (17.8)0.548
Pads/day, mean ± std, IQR
 1 month1.27 ± 0.91, 11.02 ± 0.81, 10.037†*
 3 months0.58 ± 0.74, 10.34 ± 0.63, 10.003†*
 6 months0.34 ± 0.62, 10.18 ± 0.44, 00.032†*
 12 months0.11 ± 0.44, 00.06 ± 0.27, 00.579
ICIQ-SF, mean ± std, IQR
 1 month7.54 ± 5.42, 95.13 ± 4.39, 80.001†*
 3 months4.97 ± 6.08, 111.96 ± 3.96, 0<0.001†*
 6 months2.44 ± 4.63, 31.23 ± 3.20, 00.021†*
 12 months2.57 ± 5.54, 00.92 ± 3.31, 00.11
IIQ-SF, mean ± std, IQR
 1 month5.99 ± 4.97, 94.46 ± 4.22, 80.021†*
 3 months3.48 ± 4.36, 71.35 ± 2.70, 0<0.001†*
 6 months1.56 ± 3.34, 00.81 ± 2.51, 00.057
 12 months0.63 ± 2.56, 00.38 ± 1.62, 00.590

Mann-Whitney test, Chi-square test, *statistically significant, std: standard deviation, IQR: interquartile range, ICIQ-SF: international consultation on incontinence questionnaire-short form, and IIQ-SF: incontinence impact questionnaire-short form.