Table 3. Perioperative parameters by group.
| Variable | cRCC (n=1,286) | ncRCC (n=400) | p-value | |
|---|---|---|---|---|
| Nephrectomy approach | ||||
| Laparoscopic | 710 (55.2) | 224 (56.0) | 0.886 | |
| Open | 411 (32.0) | 122 (30.5) | ||
| Robotic | 146 (11.4) | 44 (11.0) | ||
| Nephrectomy type | ||||
| Radical | 908 (70.6) | 287 (71.8) | 0.482 | |
| Partial | 377 (29.3) | 108 (27.0) | ||
| Operative time (min) | 195±74.9 | 185±69.3 | 0.010 | |
| Blood loss (mL) | 422±603 | 392±680 | 0.536 | |
| Clavien–Dindo score | ||||
| 0–2 | 1,133 (88.1) | 341 (85.2) | 0.809 | |
| ≥3 | 80 (6.2) | 22 (5.5) | ||
| Length of stay (d) | 5.16±5.01 | 5.30±4.69 | 0.627 | |
| Overall survival | 1,046 (81.3) | 304 (76.0) | 0.024 | |
| Cancer-specific survival | 1,131 (87.9) | 338 (84.5) | 0.093 | |
Values are presented as number (%) or mean±standard deviation.
cRCC, conventional renal cell carcinoma; ncRCC, non-conventional RCC.