Document Classification

Section Type: RESULTS

Text: Rates of radiotherapy adverse effects were lower for the 39 Gy regimen in trial A and the 40 Gy regimen in trial B, compared with the 50 Gy control regimen ; rates of radiotherapy adverse effects were similar between the 41. 6 Gy and 50 Gy regimens in trial A. Adverse change in skin appearance was significantly lower for patients who received 39 Gy compared with those who received 50 Gy (HR 0. 63, 95 % CI 0. 47-0. 84) and for those who received 40 Gy compared with those who received 50 Gy (0. 76, 0. 60-0. 97) ; no significant difference was observed between patients who received 41. 6 Gy and those who received 50 Gy in trial A (0. 83, 0. 63-1. 08).