41 Outcomes and potential impact of a virtual hands-on training program on MRI staging confidence and performance in rectal cancer 3 between the course effect and the experience of the reader is included to test if the effect of the course is different between the different level of experience of the readers. A p-value of 0.05 was used as the cut-off for statistical significance. 95% confidence intervals for Krippendorff’s alpha were computed using bootstrapping. Results Course participants Forty-two out of the 65 course participants completed all 5 steps of the course (22 did not complete the post-course test; for 1 participant no baseline demographics were available). Data of the 42 participants for whom all information was complete were analyzed for the purpose of this study. Table 1 summarizes the participants’ baseline characteristics. Table 1 Baseline characteristics of the 42 course participants who completed the 5 steps of the course. N= % Total 42 100% Sex Male 19 45% Female 23 55% Age median (range) 39 (30-62) years Level of expertise Abdominal radiologist with specific expertise in rectal MRI 4 10% Abdominal radiologist 21 50% General radiologist 13 31% Senior resident 4 10% Junior resident 0 0% Frequency of participating in (colo) rectal MDT meetings Never 10 24% Incidentally 12 29% Monthly 11 26% Weekly 9 21% Type of Hospital Comprehensive cancer center 5 12% University hospital 19 45% General hospital 16 38% Other 2 5% Years after completion of radiology training Median (range) 7 (0-28) < 5 years 16 38% 5-10 years 15 36% > 10 years 11 26%
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