Table 3. Biological effective doses and corresponding absolute doses in 7 and 1 fraction(s) (fr) equivalent to 24 Gy in 1 fr and 48.3 Gy in 7 fr, respectively, as a function of alpha/beta ratio.
BED: biological effective dose based on linear-quadratic model; fr: fraction; GTV: gross tumor volume; BED2: BED with an alpha/beta ratio of 2
| Alpha/beta ratio | 10 | 8 | 6 | 4 | 2 |
| BED for 24 Gy in 1 fr | 81.6 Gy | 96.0 Gy | 120.0 Gy | 168.0 Gy | 312.0 Gy |
| Equivalent absolute dose in 7 fr | 48.3 Gy | 50.5 Gy | 53.1 Gy | 56.0 Gy | 59.5 Gy |
| GTV coverage | 98.0% | 93.4% | 84.6% | 73.0% | 59.2% |
| BED2 (% to BED2 {312 Gy} for 24 Gy in 1 fr) | 214.9 Gy (68.9%) | 232.7 Gy (74.6%) | 254.5 Gy (81.6%) | 280.0 Gy (89.7%) | - |
| BED for 48.3 Gy in 7 fr | 81.6 Gy | 90.0 Gy | 103.9 Gy | 131.6 Gy | 214.9 Gy |
| Equivalent absolute dose in 1 fr | 24.0 Gy | 23.1 Gy | 22.1 Gy | 21.0 Gy | 19.8 Gy |