Characteristic | Any nephrectomy | No nephrectomy | P |
---|---|---|---|
Number of patients (%) | 129 (71.3) | 52 (28.7) | |
Age, yr | |||
Median | 62 | 67.5 | 0.006* |
Range | 30–81 | 36–86 | |
Sex | |||
Female | 33 | 15 | 0.780** |
Male | 96 | 37 | |
PS | |||
0 | 64 | 14 | <0.001* |
1 | 57 | 20 | |
≥2 | 8 | 18 | |
No. of metastatic organ sites | |||
0(T4N0M0) | 6 | 1 | 0.295* |
1 | 82 | 22 | |
2 | 17 | 6 | |
≥3 | 24 | 23 | |
Metastatic area | |||
Lung | 68 | 30 | 0.657** |
Bone | 46 | 13 | 0.227** |
Lymph node | 31 | 19 | 0.089** |
Liver | 4 | 7 | 0.008** |
CNS | 4 | 4 | 0.174** |
Others | 17 | 7 | 0.856* |
Median | 8.00 | 9.25 | 0.008* |
Range | 2.50– | 24.0 | |
Histopathology | |||
Clear cell | 109 | 17 | |
Papillary | 4 | 0 | |
Chromophobe | 1 | 0 | |
Collecting-duct | 4 | 0 | |
Sarcomatoid change | 3 | 5 | |
Others or not determined | 8 | 30 | |
Tumor grading (Fuhrman) | 0.205* | ||
G1 | 4 | 1 | |
G2 | 43 | 4 | |
G3 | 57 | 7 | |
G4 | 20 | 6 | |
X | 5 | 34 |