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The importance of residency program size and location on American Osteopathic Board of Surgery In-Training Examination outcomes

Journal: Journal of Surgical Research Date: 2013/09, 184(1):Pages: 61-65. doi: Subito , type of study: retrospective study

Full text    (https://www.journalofsurgicalresearch.com/article/S0022-4804(13)00144-3/fulltext)

Keywords:

certification [30]
educational measurement [93]
general surgery [10]
geographic factors [1]
internship and residency [150]
linear models [3]
osteopathic medicine [1540]
retrospective studies [5]
specialty board [16]
surgery [50]
USA [1086]

Abstract:

BACKGROUND: The American Osteopathic Board of Surgery In-Training Examination (AOBSITE) is administered to general surgery residency training programs. Based on findings in allopathic training, we hypothesize that larger programs will outperform smaller programs and that Southern programs will perform lower than other geographic regions.
Materials and methods: In this retrospective study, the performance on the AOBSITE was obtained for all of the osteopathic general surgery programs from 2008 to 2012. To test if program size was related to AOBSITE performance, simple linear regression was performed. Geographic differences in median performance between states and US Census Bureau regions were evaluated using Kruskal-Wallis tests. Nonparametric statistics were performed using an alpha = 0.05. RESULTS: From 2008 to 2012, there were 49 general surgery residency training programs and 2278 examinees evaluated. The median raw performance by general surgery residency training program was 168.0 (IQR [161.8-177.7]). The weighted median standardized performance by general surgery residency training program was 487.8 (IQR [462.8-528.0]). Simple linear regression analyses showed that the slope of the least-square regression line was greater than zero for raw performance (P = 0.048) and standardized performance (P = 0.005). A Kruskal-Wallis test showed that there were no differences in raw performance or standardized performance by US Census Bureau Region or by state (all P > 0.05). CONCLUSIONS: Overall, larger general surgery residency training programs outperform smaller programs on the AOBSITE and that there are no geographical differences in performance by state or region.


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