Table 1. General Characteristics of the Study Population.
| Characteristic | Number of patients | Percentage |
|---|---|---|
| Sex | 26 | 100 |
| Women | 8 | 30.8 |
| Man | 18 | 69.2 |
| Age | 26 | Median ± SD: 65 ± 10 years |
| Nephrectomy | 24/26 | 92 |
| Histology | 26 | 100 |
| Clear cells | 23 | 88 |
| Chromophobe | 1 | 6 |
| Papillary | 1 | 6 |
| Sarcomatoid pattern | 5/26 | 20 |
| State IV at diagnosis | 14/26 | 53 |
| Pulmonary metastases | 21/26 | 80 |
| Liver metastases | 6/26 | 23 |
| Brain metastases | 9/26 | 34 |
| Bone metastases | 10/26 | 38 |
| Treatment | ||
| First-line | 26 | 100 |
| Targeted therapy | 24 | 92 |
| Immunotherapy | 2 | 8 |
| Second-line | 14 | 53 |
| Targeted therapy | 11 | 42 |
| Immunotherapy | 3 | 11 |
| Third-line | 8 | 30 |
| Targeted therapy | 6 | 23 |
| Immunotherapy | 2 | 7 |
| Metastasectomy | 9 | 34 |
| Palliative radiotherapy | 6 | 23 |
| Use of bisphosphonates | 4 | 15 |
SD: standard deviation.