Introduction
Patients and methods
Patient population
Outcomes measures
Pathological data
Oncologic outcomes
Technique of uterus preserving cystectomy
Data analysis
UPC (n = 63) | UEC (n = 49) |
p
| |
---|---|---|---|
Age (yr) | 67.3 ± 12.2 | 67.7 ± 9.2 | 0.855a |
BMI (kg/m2) | 22.9 (21.1–26.3) | 23.9 (21.7–26.6) | 0.205b |
ASA score | 0.961b | ||
1 | 5 (7.9%) | 1 (2.0%) | |
2 | 46 (73.0%) | 41 (83.7%) | |
3 | 12 (19%) | 7 (14.3%) | |
ORC | 46 (73.0%) | 38 (77.6%) | 0.582c |
LRC | 17 (27.0%) | 11 (22.4%) | |
Type of urinary diversion | 0.100c | ||
Cutaneous ureterostomy | 29 (46.0%) | 18 (36.7%) | |
Ileal conduit | 30 (47.6%) | 31 (63.3%) | |
Orthotopic neobladder | 4 (6.3%) | 0 (0%) | |
Time of operation (mins) | 294.8 ± 104.3 | 296.1 ± 120.0 | 0.950a |
Bleeding volume during operation(L) | 500 (200–800) | 400 (200–650) | 0.321b |
Intraoperative transfusion(L) | 200 (0–650) | 200 (0–725) | 0.762b |
Clavien-Dindo class | 0.061b | ||
0 | 30 (47.6%) | 32 (65.3%) | |
1 | 2 (3.2%) | 2 (4.1%) | |
2 | 30 (47.6%) | 14 (28.6%) | |
3 | 0 (0%) | 0 (0%) | |
4 | 1 (1.6%) | 0 (0%) | |
5 | 0 (0%) | 1 (2%) | |
Postoperative stay (days) | 11 (8–17) | 9 (8–12) | 0.076b |
Postoperative fasting time (days) | 5 (3–5) | 5 (3–6) | 0.537b |
Location of the tumor | 0.399c | ||
Posterior wall or trigone | 43 (68.3%) | 37 (75.5%) | |
Other location | 20 (31.7%) | 12 (24.5%) | |
Preoperative clinical stage | 0.017c | ||
Ta and Tis and T1 | 18 (28.6%) | 12 (24.5%) | |
T2 | 26 (41.3%) | 16 (32.7%) | |
T3 | 19 (30.2%) | 14 (28.6%) | |
T4 | 0 (0%) | 7 (14.3%) | |
Pathologic stage | 0.613c | ||
Ta and Tis and T1 | 18 (28.6%) | 10 (20.4%) | |
T2 | 22 (34.9%) | 19 (38.8%) | |
T3 and T4 | 23 (36.5%) | 20 (40.8%) | |
Pathologic nodal stage | 0.002c | ||
N0 | 60 (95.2%) | 37 (75.5%) | |
N+ | 3 (4.8%) | 12 (24.5%) | |
Pathologic grade | 1.000c | ||
Low grade | 7 (11.1%) | 5 (10.2%) | |
High grade | 55 (87.3%) | 44 (89.8%) | |
Negative margin | 60 (95.2%) | 47 (95.9%) | 1.000c |
Positive margin | 3 (4.8%) | 2 (4.1%) | |
No neoadjuvant/adjuvant chemotherapy | 55 (88.7%) | 39 (81.3%) | 0.271c |
Neoadjuvant/adjuvant chemotherapy | 7 (11.3%) | 9 (18.8%) |
Result
Clinicopathologic data
Oncologic outcomes
Survival (n = 71) | Dead (n = 41) |
p
| |
---|---|---|---|
Age (yr) | 65.5 ± 11.5 | 70.8 ± 9.2 | 0.014a |
BMI (kg/m2) | 23.7 (21.4–26.6) | 23.4 (20.8–26.2) | 0.570b |
ORC | 50 (70.4%) | 34 (82.9%) | 0.141c |
LRC | 21 (29.6%) | 7 (17.1%) | |
Location of the tumor | 0.107c | ||
Posterior wall or trigone | 47 (66.2%) | 33 (80.5%) | |
Other location | 24 (33.8%) | 8 (19.5%) | |
Pathologic stage | 0.014c | ||
Ta and Tis and T1 | 21 (29.6%) | 7 (17.1%) | |
T2 | 30 (42.3%) | 11 (26.8%) | |
T3 and T4 | 20 (28.2%) | 23 (56.1%) | |
Pathologic nodal stage | 0.043c | ||
N0 | 65 (91.5%) | 32 (78.0%) | |
N+ | 6 (8.5%) | 9 (22.0%) | |
Negative margin | 69 (97.2%) | 38 (92.7%) | 0.159c |
Positive margin | 2 (2.8%) | 3 (7.3%) | |
No neoadjuvant/adjuvant chemotherapy | 66 (93.0%) | 29 (72.5%) | 0.004c |
Neoadjuvant/adjuvant chemotherapy | 5 (7.0%) | 11 (26.8%) |
No-progression (n = 86) | Progression (n = 26) |
p
| |
---|---|---|---|
Age (yr) | 69.00 (61.00–76.00) | 70.50 (63.75–78.00) | 0.370b |
BMI (kg/m2) | 23.0 (21.2–26.3) | 24.6 (22.3–27.0) | 0.100b |
ORC | 65 (75.6%) | 19 (73.1%) | 0.796c |
LRC | 21 (24.4%) | 7 (26.9%) | |
Location of the tumor | 0.777c | ||
Posterior wall or trigone | 62 (72.1%) | 18 (69.2%) | |
Other location | 24 (27.9%) | 8 (30.8%) | |
Pathologic stage | 0.159c | ||
Ta and Tis and T1 | 25 (29.1%) | 3 (11.5%) | |
T2 | 31 (36.0%) | 10 (38.5%) | |
T3 and T4 | 30 (34.9%) | 13 (50.0%) | |
Pathologic nodal stage | 0.006c | ||
N0 | 79 (91.9%) | 18 (69.2%) | |
N+ | 7 (8.1%) | 8 (30.8%) | |
Negative margin | 83 (96.5%) | 24 (92.3%) | 0.329c |
Positive margin | 3 (3.5%) | 2 (7.7%) | |
No neoadjuvant/adjuvant chemotherapy | 79 (91.9%) | 17 (65.4%) | 0.002c |
Neoadjuvant/adjuvant chemotherapy | 7 (8.1%) | 9 (34.6%) |
Variable | univariable cox regression analysis | multivariable cox regression analysis | ||||
---|---|---|---|---|---|---|
Hazard Ratio | 95% CI |
p
| Hazard Ratio | 95% CI |
p
| |
Age (continuous) | 1.034 | 1.003–1.067 | 0.034 | 1.027 | 0.994–1.061 | 0.108 |
Preoperative stage | 0.113 | 0.927 | ||||
Ta and Tis and T1 | – | referent | – | – | Referent | – |
T2 | 1.317 | 0.552–3.141 | 0.535 | 0.814 | 0.281–2.359 | 0.705 |
T3 | 2.496 | 1.064–5.851 | 0.035 | 1.050 | 0.355–3.100 | 0.930 |
T4 | 2.608 | 0.683–9.951 | 0.161 | 0.862 | 0.174–4.264 | 0.856 |
Pathologic stage | 0.005 | 0.129 | ||||
Ta and Tis and T1 | – | referent | – | – | referent | – |
T2 | 1.375 | 0.530–3.568 | 0.513 | 1.315 | 0.456–3.792 | 0.613 |
T3 and T4 | 3.341 | 1.427–7.822 | 0.005 | 2.508 | 0.876–7.174 | 0.087 |
Pathologic nodal stage | ||||||
N0 | – | referent | – | – | Referent | – |
N+ | 2.725 | 1.285–5.778 | 0.009 | 1.896 | 0.791–4.544 | 0.152 |
No chemotherapy | – | referent | – | – | Referent | – |
Chemotherapy | 2.979 | 1.486–5.973 | 0.002 | 1.860 | 0.848–4.081 | 0.121 |
Location of the tumor | ||||||
other location | – | referent | – | – | Referent | – |
posterior wall/trigone | 2.028 | 0.934–4.402 | 0.074 | 1.902 | 0.834–4.339 | 0.126 |
Negative margin | – | referent | – | – | Referent | – |
Positive margin | 3.938 | 1.177–13.172 | 0.026 | 1.463 | 0.381–5.628 | 0.580 |
No hysterectomy | – | referent | – | – | Referent | – |
Hysterectomy | 0.976 | 0.520–1.832 | 0.976 | 0.908 | 0.428–1.924 | 0.801 |
Variable | univariable cox regression analysis | multivariable cox regression analysis | ||||
---|---|---|---|---|---|---|
Hazard Ratio | 95% CI |
p
| Hazard Ratio | 95% CI |
p
| |
Age (continuous) | 1.024 | 0.986–1.064 | 0.216 | 1.013 | 0.971–1.056 | 0.556 |
Preoperative stage | 0.168 | 0.437 | ||||
Ta and Tis and T1 | – | referent | – | – | referent | – |
T2 | 2.011 | 0.630–6.419 | 0.238 | 0.983 | 0.236–4.102 | 0.981 |
T3 | 3.516 | 1.114–11.099 | 0.032 | 1.529 | 0.369–6.341 | 0.558 |
T4 | 1.509 | 0.167–13.609 | 0.714 | 0.286 | 0.025–3.296 | 0.316 |
Pathologic stage | 0.055 | 0.541 | ||||
Ta and Tis and T1 | – | referent | – | – | referent | – |
T2 | 2.904 | 0.792–10.654 | 0.108 | 2.003 | 0.460–8.721 | 0.355 |
T3 and T4 | 4.600 | 1.300–16.270 | 0.018 | 2.419 | 0.507–11.543 | 0.268 |
Pathologic nodal stage | ||||||
N0 | – | referent | – | – | Referent | – |
N+ | 4.372 | 1.883–10.150 | 0.001 | 4.067 | 1.424–11.610 | 0.009 |
No chemotherapy | – | referent | – | – | Referent | – |
Chemotherapy | 4.705 | 2.075–10.670 | <0.001 | 2.950 | 1.131–7.694 | 0.027 |
Location of the tumor | ||||||
other location | – | referent | – | – | Referent | – |
Posterior wall/trigone | 1.004 | 0.436–2.313 | 0.992 | 0.737 | 0.292–1.859 | 0.518 |
Negative margin | – | referent | – | – | Referent | – |
Positive margin | 3.369 | 0.778–14.584 | 0.104 | 1.500 | 0.253–8.904 | 0.656 |
No hysterectomy | – | referent | – | – | Referent | – |
Hysterectomy | 1.254 | 0.578–2.718 | 0.567 | 1.109 | 0.439–2.805 | 0.826 |