Table 1 Comparison of demographics and baseline clinical characteristics between different surgical types
RN (N = 38) | PN (N = 58) | p | |
|---|---|---|---|
Demographics | |||
Age (years) | 57.1 ± 13.4 | 53.6 ± 14.0 | .24 |
Sex (male) | 22 (57.9%) | 31 (53.5%) | .67 |
Tumor characteristics | |||
Size (mm) | 83.9 ± 6.4 | 77.5 ± 5.6 | < .01 |
Location (peripheral) | 28 (73.7%) | 41 (70.7%) | .75 |
Side (right) | 22 (57.9%) | 40 (69.0%) | .34 |
Positive resection margin | 8 (21.1%) | 5 (8.6%) | .08 |
Pathologic positive lymph node | 16 (42.1%) | 11 (19.0%) | .01 |
Fuhrman grade | |||
I | 0 (0%) | 1 (1.7%) | .17 |
II | 10 (26.3%) | 19 (32.8%) | |
III | 11 (29.0%) | 18 (31.0%) | |
IV | 12 (31.6%) | 7 (12.1%) | |
N/A | 5 (13.2%) | 13 (22.4%) | |
Pathologic subtype | |||
Chromophobe | 5 (13.2%) | 13 (22.4%) | .40 |
Clear cell | 23 (60.5%) | 28(48.3%) | |
Papillary | 8 (21.1%) | 14 (24.1%) | |
Collecting duct | 2 (5.3%) | 1 (1.7%) | |
Multilocal cyst RCC | 0 (0%) | 2 (3.5%) | |
Preoperative creatinine (mg/dl) | 1.0 (1.0, 1.2) | 1.0 (0.9, 1.3) | .61 |
Comorbidities | |||
DM | 9 (23.7%) | 18 (31.0%) | .43 |
HTN | 23 (60.5%) | 25 (43.1%) | .10 |
IHD | 2 (5.3%) | 7 (12.1%) | .26 |
CKD | 4 (10.5%) | 15 (25.9%) | .07 |
Follow up period (months) | 53.3 ± 19.2 | 59.9 ± 26.5 | .55 |