Table 1.
Patient and clinical characteristics
| Variable | No. (%) |
|---|---|
| Total patients | 46 |
| Age (median, range) | 62 (42-78) |
| Sex | |
| Male | 32 (70) |
| Female | 14 (30) |
| Histology | |
| Clear cell | 88 (93) |
| Chromophobe | 4 (4) |
| Not otherwise specified | 3 (3) |
| Number of lesions | 95 |
| Treated with SBRT | 50 (53) |
| 12-20 Gy/1 fx | 14 |
| 21-35 Gy/3 fx | 20 |
| 25-50 Gy/5 fx | 16 |
| Treated with CF-EBRT | 45 (47) |
| 8-10 Gy/1 fx | 6 |
| 20 Gy/5 fx | 23 |
| 24 Gy/8 fx | 1 |
| 30-40 Gy/10 fx | 13 |
| 36 Gy/12 fx | 2 |
CF-EBRT, conventional fractionated external beam radiation therapy; fx, fraction; SBRT, stereotactic body radiation therapy.