Table 1.
Differences in patient characteristics treated by hospital cystectomy volume.
| Patient Characteristic | Low Volume (%) | Medium Volume (%) | High Volume (%) | p-value | |
|---|---|---|---|---|---|
| Age | 65-69 | 355 (23.6) | 348 (23.3) | 383 (26.2) | 0.0016 |
| 70-74 | 423 (28.1) | 415 (27.7) | 426 (29.1) | ||
| 75-79 | 370 (24.6) | 397 (26.5) | 404 (27.6) | ||
| 80-84 | 242 (16.0) | 230 (15.4) | 179 (12.2) | ||
| 85-99 | 116 (7.7) | 106 (7.1) | 71 (4.9) | ||
| Race | Black | 103 (6.8) | 28 (1.9) | 84 (5.7) | <0.0001 |
| Gender | Female | 482 (32.0) | 468 (31.3) | 408 (27.9) | 0.0343 |
| Socioeconomic Status | Low | 271 (18.9) | 250 (17.7) | 266 (19.3) | 0.1278 |
| Intermediate | 848 (59.1) | 812 (57.4) | 761 (55.1) | ||
| High | 316 (22.0) | 352 (24.9) | 353 (25.6) | ||
| Cancer Stage | 0 or 1 | 439 (34.8) | 493 (37.8) | 468 (36.2) | 0.2137 |
| 2 | 271 (21.5) | 246 (18.8) | 281 (21.7) | ||
| 3 | 293 (23.2) | 311 (23.8) | 270 (20.9) | ||
| 4 | 260 (20.5) | 256 (19.6) | 274 (21.2) | ||
| Cancer Grade | High | 940 (76.8) | 959 (75.6) | 1012 (80.6) | 0.0063 |
| Admission Acuity | Urgent/emergent | 412 (27.4) | 275 (18.4) | 249 (17.0) | <0.0001 |
| Extent of resection | Partial cystectomy | 645 (42.8) | 501 (33.5) | 229 (15.7) | <0.0001 |