| Methods | RCT (Randomised Controlled Trial); multicentre (Japan) | |
| Participants | Patients with radically resected Dukes A, B or C rectal cancer (n=794) | |
| Interventions | 2‐arm trial: patients were randomized to: A) surgery alone (n=398), or B) postoperative adjuvant chemotherapy with mitomycin + UFT (uracil‐tegafur, an oral fluoropyrimidine) (n=396) | |
| Outcomes | Disease‐free survival (DFS) and overall survival (OS) | |
| Notes | Five Dukes´ D patients are included in the Dukes´ C group | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment (selection bias) | Low risk | A ‐ Adequate |
| Other bias | Low risk | |
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