Table 2 Baseline pathological characteristics
From: Impact of partial nephrectomy on kidney function in patients with renal cell carcinoma
All patients (n = 557) | RN (n = 339) | PN (n = 218) | Pvalue | |
|---|---|---|---|---|
Surgical approach (%) | 0.004 | |||
Open | 96 (17.2) | 46 (13.6) | 50 (22.9) | |
Laparoscopic | 461 (82.8) | 293 (86.4) | 168 (77.1) | |
Tumor location (%) | 0.925 | |||
Right | 285 (51.2) | 174 (51.3) | 111 (50.9) | |
Left | 272 (48.8) | 165 (48.7) | 107 (49.1) | |
Tumor size (cm) | 3.4 ± 1.5 | 4.1 ± 1.4 | 2.4 ± 1.0 | <0.001 |
≤ 4, No (%) | 370 (66.4) | 167 (49.3) | 203 (93.1) | <0.001 |
4 < size ≤7, No (%) | 187 (33.6) | 172 (50.7) | 15 (6.9) | <0.001 |
Histology (%) | 0.077 | |||
Clear cell | 439 (79.0) | 270 (79.9) | 167 (77.5) | |
Papillary | 47 (8.5) | 20 (5.9) | 27 (12.4) | |
Chromophobe | 43 (7.7) | 29 (8.6) | 14 (6.5) | |
Other | 27 (4.9) | 19 (5.6) | 8 (3.7) | |
Fuhrman grade (%) | 0.721 | |||
1 | 68 (12.2) | 38 (11.2) | 30 (13.8) | |
2 | 358 (64.3) | 218 (64.3) | 140 (64.2) | |
3 | 109 (19.6) | 67 (19.8) | 42 (19.3) | |
4 | 12 (2.2) | 9 (2.7) | 3 (1.4) | |
Pathologic stage (%) a | 0.005 | |||
I | 546 (98.0) | 328 (96.8) | 218 (100) | |
III | 11 (2.0) | 11 (3.2) | ||
Nephrectomy size (cm) | 9.2 ± 4.7 | 12.5 ± 2.2 | 3.9 ± 1.5 | <0.001 |