Figure 1: Results by Assessment Median score, interquartile range (IQR), minimum and maximum scores of the aggregate of substeps in the procedure based assessment (PBA), Objective Structured Assessment of Technical Skill (OSATS) and Bariatric OSATS (BOSATS) on three levels. An * indicates a significant difference. The OSATS, although significant discriminating between all steps overall, could not make a significant distinction between the two highest proficiency levels, intermediate and expert, neither for the total of steps, nor for all separate steps. Assessment Preferences In Figure 2 the median and range of the scores on the six questions regarding the preferences of the assessors regarding the use of the three assessments are shown. In general, the 5 91 A new procedure-based assessment in gastric bypass surgery
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