|
Feature
| |
Number of cases
|
% of cases
|
|---|
|
Sex
| | | |
| |
Male
|
320
|
61.5
|
| |
Female
|
200
|
38.5
|
|
Age at surgery
| | |
| |
< 65 years
|
295
|
56.7
|
| |
≥ 65 years
|
225
|
43.3
|
|
Karnofsky perfomance status scale
| | |
| |
≥ 80%
|
476
|
91.5
|
| |
< 80%
|
44
|
8.5
|
|
Tumor extent (Robson)
| | |
| |
Stage I
|
310
|
59.6
|
| |
Stage II
|
37
|
7.1
|
| |
Stage III
|
83
|
16.0
|
| |
Stage IV
|
90
|
17.3
|
|
Regional lymph node metastasis
| | |
| |
N0/pN0
|
481
|
92.5
|
| |
pN+
|
39
|
7.5
|
|
Distant metastasis
| | |
| |
M0
|
433
|
83.3
|
| |
M+
|
87
|
16.7
|
|
Fuhrman grade
| | |
| |
G1/G2
|
417
|
80.2
|
| |
G3/G4
|
98
|
18.8
|
| |
Unclassified
|
5
|
1.0
|
|
Histopathological subtype
| | |
| |
Clear cell RCC
|
422
|
81.1
|
| |
Papillary (chromophilic) RCC
|
55
|
10.6
|
| |
Chromophobe RCC
|
23
|
4.4
|
| |
Duct bellini
|
3
|
0.6
|
| |
Unclassified RCC
|
17
|
3.3
|
