Table 1 Patient data used for geometric and dosimetric analysis
Description | Geometric analysis (n) | Dosimetric analysis (n) |
|---|---|---|
Patient cases | ||
Solitary lesion | 18 | 5 |
Multiple lesions | 32 | 16 |
Total | 50 | 21 |
Fractions | ||
1 fraction | 21 | 21 |
3 fractions | 28 | 0 |
5 fractions | 1 | 0 |
Total | 110 | 21 |
Targets | ||
Isocentric | 18 | 5 |
Off-axis | 100 | 51 |
Total | 118 | 56 |
Target prescription | ||
24 Gy/1 fr | NA | 48 |
18 Gy/1 fr | NA | 8 |
Total | NA | 56 |
Data points | ||
Targets | 244 | 56 |
Normal brain | NA | 49 |