Does treatment duration affect outcome after radiotherapy for prostate cancer?
A proportionally longer treatment duration was identified as an adverse factor in low-risk patients. Treatment breaks resulting in a NTDR of>/=33% (e.g., four or more breaks during a 40-fraction treatment, 5 d/wk) should be avoided.
The perception of the benefits of the study strongly influenced the decision by school representatives to participate in the seroprevalence survey.