Table 3.
A summary of treatment characteristics for patients treated on a frameless stereotactic radiosurgical system.
| Characteristic | N = 38 | Characteristic | N = 38 |
|---|---|---|---|
| Rx dose (cGy) | Percent tumor covered | ||
| Min | 2500 | Min | 97.4 |
| Max | 3500 | Max | 99.9 |
| Mean | 2691 | Mean | 99.3 |
| Median | 2500 | Median | 99.5 |
| Isodose line (%) | Non-zero beams | ||
| Min | 70 | Min | 88 |
| Max | 90 | Max | 259 |
| Mean | 82 | Mean | 175 |
| Median | 82 | Median | 174 |
| Homogeneity index | Collimator (mm) | ||
| Min | 1 | Min | 5 |
| Max | 1.39 | Max | 15 |
| Mean | 1.22 | Mean | 11 |
| Median | 1.2 | Median | 10 |
| New conformality index | |||
| Min | 1.32 | ||
| Max | 2.25 | ||
| Mean | 1.66 | ||
| Median | 1.61 |