Table 3: Repeated Measures Analyses for the Difference Between Surgeons and Residents Es2mate P-value 95% CI Lower Upper 150 cm, n = 79 MBS surgeons 4 0.03 0.4 9 Residents -12 0.0005 -18 -6 Differences Surgeons vs residents 16 < 0.001 9 23 180 cm, n = 80 MBS surgeons -6 0.03 -11 -1 Residents -16 <0.001 -19 -13 Differences Surgeons vs residents 10 0.003 4 16 210 cm, n = 80 MBS surgeons 1 0.56 -4 6 Residents -18 <0.001 -22 -13 Differences Surgeons vs residents 19 <0.001 12 26 Dependent variable: percentage deviajon (%). Esjmates of repeated measures analyses were determined for the group of metabolic bariatric surgeons and surgical residents. Esjmates were compared to analyze the differences between metabolic bariatric surgeons and surgical residents. CI = confidence interval, MBS = metabolic bariatric surgery The individual deviation percentage and the inter-individual difference between the surgeons are shown in Table 4 and Figure 3. Metabolic bariatric surgeon 1 underestimated the lengths of all three task, with 12 (CI -24, -0.4), 20 (CI -29, -10), and 16% (CI -26, -6), respectively. There were significant differences between surgeon 1 and the other three surgeons on all three measured tasks. On the 150 cm task surgeon 2, 3 and 4 overestimated the length showing no difference between each other. On the 180 cm goal length, an overestimation was seen in surgeon 2, which significantly differed compared to the other surgeons. Surgeon 2, 3, and 4 showed no difference on the 210 cm task. 6 121 Laparoscopic small bowel length measurement using a hand-over-hand technique
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