Table 1.
Patient demographics.
| Characteristic | Radical Nephrectomy N = 9525 | Partial Nephrectomy N = 4499 | P Value |
|---|---|---|---|
| Age | |||
| Mean (SD) | 65.2 (9.3) | 62.5 | |
| Median (IQR) | 65 (59, 72) | 63 (57, 68) | |
| Age Group (%): | |||
| <45 | 268 (2.8) | 165 (3.7) | < 0.0001 |
| 45 - 60 | 2668 (28.0) | 1535 (34.1) | |
| 60 - 75 | 4911 (51.6) | 2425 (53.9) | |
| ≥75 | 1678 (17.6) | 374 (8.3) | |
| Sex (%): | |||
| Male | 9176 (96.3) | 4341 (96.5) | 0.65 |
| Female | 349 (3.7) | 158 (3.5) | |
| Race / Ethnicity (%): | |||
| White | 6903 (72.5) | 2974 (66.1) | < 0.0001 |
| Black | 1230 (12.9) | 884 (19.6) | |
| Other or unknown | 1392 (14.6) | 641 (14.2) | |
| Charlson Score | |||
| Mean (SD) | 1.93 (1.66) | 1.91 (1.55) | |
| Median (IQR) | 2 (1, 3) | 2 (1,3) | |
| Charlson Score (%): | |||
| 0 | 2437 (25.6) | 1048 (23.3) | 0.0003 |
| 1 | 1406 (14.9) | 727 (16.2) | |
| 2 | 2581 (27.0) | 1310 (29.1) | |
| 3 | 1743 (18.3) | 835 (18.5) | |
| ≥4 | 1358 (14.2) | 579 (12.9) | |
| Pre-operative eGFR: | |||
| Mean (SD) | 70.1 (19.8) | 74.7 (20.3) | |
| Median (IQR) | 68.7 (55.4, 83.0) | 74.5 (60.2, 88.4) | |
| Pre-operative eGFR (%) | |||
| ≥ 90 | 1564 (16.4) | 1016 (22.6) | < 0.0001 |
| 60 - 89 | 4821 (50.6) | 2370 (52.7) | |
| 45 - 59 | 2188 (23.0) | 762 (16.9) | |
| 30 - 44 | 952 (10.0) | 351 (7.8) | |
| Geographic Region (%): | 2615 (27.5) | 1187 (26.4) | 0.0011 |
| Midwest | 2261 (23.7) | 1092 (24.3) | |
| West | 1302 (13.7) | 720 (16.0) | |
| Northeast | 3347 (35.1) | 1500 (33.3) | |
| South | |||
| Tumor stage (%): | |||
| T1 | 3099 (32.5) | 2664 (59.2) | < 0.0001 |
| T2 | 976 (10.2) | 87 (1.9) | |
| T3 | 605 (6.4) | 66 (1.5) | |
| unknown | 4845 (50.9) | 1682 (37.4) |