Table 1.
Clinicopathologic demographics of 9757 patients with bladder cancer treated with radical cystectomy according type of surgery.
| Variables | Overall (n = 9757, 100%) |
RARC (n = 767, 7.8%) |
ORC (n = 8990, 92%) |
p Value |
|---|---|---|---|---|
| Age, years | ||||
| Mean | 67 | 67 | 67 | 0.2 |
| Median (IQR) | 68 (60–74) | 68 (62–74) | 68 (60–74) | |
| Gender | ||||
| Male | 7775 (79%) | 612 (80%) | 7163 (80%) | 0.9 |
| Female | 1981 (20%) | 115 (20%) | 1827 (20%) | |
| Neoadjuvant chemotherapy | 520 (5.3%) | 198 (26%) | 322 (3.6%) | <0.001 |
| Pathological T stage | ||||
| pT0-pT1 | 2908 (31%) | 368 (48%) | 2540 (29%) | <0.001 |
| pT2 | 2239 (24%) | 93 (12%) | 2146 (25%) | |
| pT3-pT4 | 4248 (45%) | 305 (40%) | 3943 (46%) | |
| High grade | 8734 (94%) | 361 (76%) | 8373 (94%) | <0.001 |
| LNI | 2276 (24%) | 158 (22%) | 2118 (24%) | 0.001 |
| Nodes removed, number | ||||
| Mean | 20 | 21 | 20 | 0.001 |
| Median (IQR) | 16 (10–26) | 20 (13–28) | 16 (9–25) | |
| Positive surgical margins | 639 (6.7%) | 107 (10.0%) | 532 (6.3%) | <0.001 |
| LVI | 3007 (33%) | 25 (27%) | 2982 (34%) | 0.2 |
| Adjuvant chemotherapy | 1828 (19%) | 85 (13%) | 1743 (20.9%) | <0.001 |
RARC: robotic assisted radical cystectomy, ORC: open radical cystectomy, IQR: interquartile range, LNI: lymph node invasion, LVI: lymphovascular invasion.