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Acute toxicity substudy 2 – Worst acute CTCAE score according to treatment.
| CTCAE grade | 40 Gy/15F | 27 Gy/5F | 26 Gy/5F |
|---|---|---|---|
| N = 43 | N = 41 | N = 53 | |
| N (%)a | N (%)a | N (%)a | |
| 0 | 0 | 3 (7) | 3 (6) |
| 1 | 21 (49) | 26 (63) | 31 (58) |
| 2 | 22 (51) | 11 (27) | 19 (36) |
| 3 | 0 | 1 (2)b | 0 |
| 4 | 0 | 0 | 0 |
| Proportion grade 3+ (upper limit of one-sided 95% CI) | 0 (6.7)% | 2.4 (11.1)% | 0 (5.5)% |
Percentages calculated from those evaluable.
Grade 3 toxicity reported at 4 weeks post-RT resolved to grade 1 one week later.
