Table 2.
Treatment-related characteristics
| Characteristic | Value |
|---|---|
| Brain metastasis volume (mm3) | |
| Median (range) | 499 (3-21,400) |
| Interquartile range | 96-1815 |
| Total volume of brain metastases (mm3) | |
| Median (range) | 1930 (11-38,113) |
| Interquartile range | 649-4820 |
| Prescription dose (Gy) | |
| Median (range) | 20 (12-24) |
| Interquartile range | 18-21 |
| Prescription isodose line (%) | |
| Median (range) | 50 (45-90) |
| Interquartile range | 50-53 |
| Shots per lesion | |
| Median (range) | 3 (1-28) |
| Interquartile range | 2-5 |
| Conformality index | |
| Median | 1.7 |
| Interquartile range | 1.4-2.4 |