Table 2 Univariate analysis
Parameters | Continence at 3 months (n = 204) | Continence at 6 months (n = 175) | Continence at 12 months (n = 112) | ||||||
|---|---|---|---|---|---|---|---|---|---|
Continence (n = 142) | Incontinence (n = 62) | P | Continence (n = 152) | Incontinence (n = 23) | P | Continence (n = 102) | Incontinence (n = 10) | P | |
Median (range) | |||||||||
Age, years | 65 (41–74) | 67 (51–76) | 0.034 | 66 (58–76) | 64 (41–75) | 0.989 | 66 (50–76) | 64 (58–73) | 0.689 |
BMI, kg/m2 | 23.6 (17.2–37.6) | 23.9 (18.9–33.1) | 0.213 | 23.8 (17.2–37.6) | 23.6 (18.9–33.1) | 0.507 | 23.7 (17.2–32.7) | 24.5 (18.9–33.1) | 0.391 |
PSA level, ng/ml | 6.7 (3.5–46.4) | 5.6 (4.2–24.1) | 0.178 | 6.4 (3.5–46.4) | 6.6 (4.2–14.5) | 0.833 | 6.2 (3.8–32.1) | 6.8 (4.2–16.7) | 0.669 |
Preoperative MUL, mm | 13.6 (8.3–22.9) | 11.1 (4.5–17.9) | < .001 | 13.5 (6.5–22.9) | 11.1 (4.5–17.3) | 0.004 | 13.4 (6.5–22.9) | 10.8 (4.5–17.3) | 0.023 |
Estimated prostate volume, g | 38 (7–94) | 38 (17–92) | 0.481 | 38 (7–94) | 41 (20–92) | 0.119 | 39 (14–94) | 49 (30–92) | 0.758 |
Console time, min | 140 (87–351) | 150 (99–339) | 0.062 | 139 (89–253) | 157 (99–280) | 0.028 | 135 (89–253) | 177 (99–280) | 0.059 |
Operation time without console, min | 51 (18–93) | 54 (23–86) | 0.792 | 49 (18–93) | 54 (23–86) | 0.477 | 51 (24–93) | 56 (23–86) | 0.506 |
Intraoperative bleeding, ml | 68 (10–1243) | 83 (16–535) | 0.759 | 66 (14–1243) | 85 (20–397) | 0.696 | 70 (14–1243) | 78 (26–320) | 0.967 |
N (%) | |||||||||
Clinical stage | 0.218 | 0.763 | 0.532 | ||||||
^T2a | 109 (76.8%) | 50 (80.6%) | 119 (78.3%) | 18 (78.2%) | 83 (81.4%) | 9 (90%) | |||
T2b | 20 (14.1%) | 4 (6.5%) | 19 (12.5%) | 2 (8.7%) | 13 (12.7%) | 1 (10%) | |||
^T2c | 13 (9.1%) | 8 (12.9%) | 14 (9.2%) | 3 (13.1%) | 6 (5.9%) | 0 | |||
Preoperative hormonal therapy history | 21 (14.8%) | 13 (20.9%) | 0.276 | 20 (13.2%) | 5 (21.7%) | 0.298 | 11 (10.8%) | 3 (30%) | 0.122 |
Lymph node dissection | 40 (28.2%) | 18 (29%) | 0.901 | 43 (28.3%) | 6 (26.1%) | 0.825 | 25 (24.5%) | 2 (20%) | 0.746 |
Neurovascular bundle saving | 52 (36.6%) | 18 (29%) | 0.312 | 57 (37.5%) | 8 (34.8%) | 0.901 | 39 (38.2%) | 4 (40%) | 0.951 |
Positive surgical margin | 43 (30.3%) | 17 (27.4%) | 0.678 | 45 (29.6%) | 4 (17.4%) | 0.224 | 29 (28.4%) | 1 (10%) | 0.209 |
Leakage at vesicourethral anastomosis | 9 (6.3%) | 9 (14.5%) | 0.068 | 8 (5.3%) | 7 (30.4%) | 0.007 | 5 (4.9%) | 2 (20%) | 0.059 |