Table 1 Descriptive characteristics of 615 patients treated with open (n=481) or robotic-assisted partial nephrectomy (n=134) for renal cell carcinoma at a tertiary care center from 01/2003 to 01/2021; All values are medians (IQR) or frequencies (%)
N | Overall, N = 615 | OPN, N = 481 (78%) | RAPN, N = 134 (22%) | P value | |
|---|---|---|---|---|---|
Age [years] Median (IQR) | 615 | 63 (55, 71) | 64 (55, 72) | 62 (52, 70) | 0.025 |
Body mass index [m2/kg] n (%) | 565 | 27.4 (24.4–30.8) | 27.4 (24.6–30.8) | 27.1 (23.7–31.1) | 0.4 |
Male sex n (%) | 615 | 440 (72%) | 339 (70%) | 101 (75%) | |
Charlson Comorbidity Indexa n (%) | 614 | 0.13 | |||
0 | 330 (54%) | 249 (52%) | 81 (61%) | ||
1 | 122 (20%) | 97 (20%) | 25 (19%) | ||
≥ 2 | 162 (26%) | 135 (28%) | 27 (20%) | ||
Tumor diameter [mm] Median (IQR) | 612 | 33 (24, 45) | 35 (25, 49) | 28 (21, 37) | < 0.001 |
RENAL-score sum Median (IQR) | 432 | 8 (7, 9) | 8 (7, 9) | 7 (6, 9) | < 0.001 |
RENAL-score grouped n (%) | 407 | < 0.001 | |||
Low | 83 (20%) | 46 (15%) | 37 (37%) | ||
Moderate | 238 (58%) | 184 (60%) | 54 (54%) | ||
High | 86 (21%) | 77 (25%) | 9 (9.0%) | ||
Previous abdominal surgery n (%) | 615 | 259 (42%) | 188 (39%) | 71 (53%) | 0.004 |
Laterality n (%) | 615 | 0.2 | |||
Right | 333 (54%) | 253 (53%) | 80 (60%) | ||
Left | 282 (46%) | 228 (47%) | 54 (40%) |