Table 1.
Number of patients (%) | ||
---|---|---|
Total number of patients | 8556 (100%) | |
| ||
Gender | Male | 5256 (61%) |
Female | 3300 (39%) | |
| ||
Age at diagnosis | Median 67 yrs (Range 23–105 yrs) |
|
| ||
Stage | T0 | 3 (0%) |
T1a | 2511 (29%) | |
T1b | 2007 (23%) | |
T2 | 1506 (18%) | |
T3 | 2017 (24%) | |
T4 | 287 (3%) | |
Tx | 213 (2%) | |
Missing data | 12 (0%) | |
| ||
Fuhrman grade∗ | G1 | 926 (12%) |
G2 | 3496 (44%) | |
G3 | 2072 (26%) | |
G4 | 705 (9%) | |
GX | 657 (8%) | |
Missing data | 178 (2%) | |
| ||
Histopathology∗ | Clear cell | 6298 (78%) |
Papillary | 957 (12%) | |
Chromophobe | 399 (5%) | |
Collecting duct | 33 (0.4%) | |
Not possible to classify | 156 (2%) | |
Other kidney cancers | 147 (2%) | |
Missing data | 44 (1%) |
∗Data on histopathology was not available in 522 patients.