| Methods |
Randomised trial with concurrent eligible patients outside of the RCT. We do not know why the non‐RCT patients were not in the RCT. Children of age <18 years with proven Hodgkin's disease of pathologic I or II, no prior radiotherapy or chemotherapy. 15 (29%) children were lost to follow up in the RCT involved‐field radiotherapy group, in the non‐RCT involved‐field radiotherapy group 8 (50%) children were lost to follow up. |
| Data |
Characteristics of patients were not presented. |
| Comparisons |
Three RCT arms, each arm were compared with similarly treated eligible non‐RCT patients. Involved‐field radiotherapy, involved‐field radiotherapy + chemotherapy, extended‐field radiotherapy. |
| Outcomes |
Clinical outcomes were assessed in all the children. Patients were followed for 208 weeks. Main outcomes were death and relapse. |
| Notes |
Significant differences were found between the RCT treatments. |
