Table 2.
Compared to 3D plans, number of cases that is dosimetrically in favor of the VMAT or FFF plans.
| Index | CI | CN | GI | V5 | V20 | MLD | MTD | MU |
|---|---|---|---|---|---|---|---|---|
| Coplanar VMAT | 14 | 14 | 12 | 12 | 13 | 15 | 5 | 0 |
| Non-coplanar VMAT | 14 | 14 | 12 | 13 | 14 | 14 | 8 | 2 |
| Non-coplanar FFF-VMAT | 15 | 15 | 13 | 14 | 15 | 14 | 11 | 0 |
The total number of cases is 15. In the table, CI = conformity index, CN = conformity number, GI = gradient index, V20 is the percentage volume of lung-GTV exceeding 20 Gy, V5 is the percentage volume of lung-GTV exceeding 5 Gy, MLD = mean lung dose, MTD = mean target dose and MU = number of monitor units.