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. 2012 Aug 3;7:132. doi: 10.1186/1748-717X-7-132

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.