Statistics were performed by using IBM SPSS Statistics version 26 (IBM Deutschland GmbH, Ehningen, Germany). Only completely fulfilled surveys were included in the statistical analysis. We hypothesized that the workshop enables participants to enhance their knowledge-based competencies on brachytherapy. The participants assessed their skills on a six-point-Likert scale in a questionnaire consisting of nine items. In a descriptive analysis, mean values and standard error (SEM) for each item were compared before and after the workshop (Table 1). To test our hypothesis, sum scores of all items were calculated. A non-parametric statistical hypothesis test was performed by a paired t-test. A significance level below p = 0.05 was considered as significant.
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