Table 1.
Patient Characteristics
| Primary treatment with HSRT alone | Primary treatment with WBRT + HSRT | Salvage treatment with HSRT | |
|---|---|---|---|
| Total number | 19 | 10 | 11 |
| Gender | |||
| Male | 13 | 6 | 5 |
| Female | 6 | 4 | 6 |
| Median Age, y (range) | 55 (38-87) | 56 (40-76) | 47 (35-73) |
| ≥ 65 | 6 | 4 | 1 |
| < 65 | 13 | 6 | 10 |
| No. of brain metastases | |||
| 1 | 10 | 4 | 5 |
| 2 | 9 | 3 | 2 |
| 3 | 0 | 2 | 4 |
| 4 | 0 | 1 | 0 |
| Primary tumor | |||
| Non-small-cell lung cancer | 10 | 6 | 4 |
| Small-cell lung cancer | 2 | 2 | 6 |
| Breast cancer | 1 | 2 | 0 |
| Other | 6 | 0 | 1 |
| Control of primary tumor | |||
| Controlled | 16 | 6 | 9 |
| Uncontrolled | 3 | 4 | 2 |
| Extracranial metastasis | |||
| No | 7 | 2 | 8 |
| Yes | 12 | 8 | 3 |
| Karnofsky Performance Score | |||
| ≥ 80 | 10 | 3 | 7 |
| < 80 | 9 | 7 | 4 |
| RPA class | |||
| 1 | 4 | 1 | 7 |
| 2 | 12 | 8 | 4 |
| 3 | 3 | 1 | 0 |
| Hypofractionated stereotactic radiotherapy (HSRT) Boost | 13 | 1 | 9 |