Table 3.
External beam radiotherapy fractionation schedules and the respective 3-Gy equivalent doses
| Fractionation schedule | Number of patients in each schedule (N=47)* n (%) | Total dose (Gy) | 3-Gy ED (Gy) (α/β=10) |
|---|---|---|---|
| 10 x 2 Gy |
5 (11%) |
20 |
18.5 |
| 15 x 2 Gy |
2 (4%) |
30 |
27.7 |
| 12 x 2 Gy |
1 (2%) |
24 |
22.1 |
| 18 x 2.5 Gy |
2 (4%) |
45 |
43.3 |
| 16 x 2.5 Gy |
1 (2%) |
40 |
38.5 |
| 10 x 3 Gy |
10 (21%) |
30 |
30.0 |
| 13 x 3 Gy |
2 (4%) |
39 |
39.0 |
| 5 x 3 Gy |
2 (4%) |
15 |
15.0 |
| 9 x 3 Gy |
1 (2%) |
27 |
27.0 |
| 4 x 3 Gy |
1 (2%) |
12 |
12.0 |
| 5 x 4 Gy |
12 (26%) |
20 |
21.5 |
| 4 x 4 Gy |
2 (4%) |
16 |
17.2 |
| 6 x 4 Gy |
1 (2%) |
24 |
25.8 |
| 3 x 4 Gy |
1 (2%) |
12 |
12.9 |
| 5 x 5 Gy |
1 (2%) |
25 |
28.8 |
| 4 x 5 Gy |
1 (2%) |
20 |
23.1 |
| 1 x 5 Gy |
1 (2%) |
5 |
5.8 |
| 1 x 8 Gy | 1 (2%) | 8 | 11.1 |
Abbreviations: ED= equivalent dose; * in 13 patients the single dose was adapted during RT and 2 patients underwent high-dose rate brachytherapy.