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Clin Orthop Relat Res. 2010 Oct;468(10):2797-802. doi: 10.1007/s11999-010-1327-3. Epub 2010 Mar 30.

Do scores of the USMLE Step 1 and OITE correlate with the ABOS Part I certifying examination?: a multicenter study.

Author information

1
Department of Orthopaedic Surgery, University of Michigan, 1500 E Medical Center Drive, Ann Arbor, MI 48109, USA. pauldoug@med.umich.edu

Abstract

BACKGROUND:

The US Medical Licensing Examination (USMLE) and Orthopaedic In-Training Examination (OITE) are commonly used to select medical students or residents, respectively. Knowing how well these examinations predict performance on the American Board of Orthopaedic Surgery (ABOS) Part I certifying examination is important to provide evaluations for medical students and residents. Previous studies comparing the OITE scores with the ABOS Part 1 scores have been limited to one program.

QUESTIONS/PURPOSES:

Therefore, we compared the scores on the USMLE Step 1 and OITE examinations with those on the ABOS Part I certifying examination using data from four ACGME approved residency programs.

METHODS:

We reviewed 202 resident files from 1996 to 2008 from four programs in the same geographic region. Of those, 181 (90%) had complete records. De-identified data were used to compare USMLE Step 1 scores, OITE percentile rank scores, and ABOS Part I percentile rank scores. Pearson coefficients and receiver operator curves were calculated to assess the relationships between tests.

RESULTS:

We found a correlation of 0.53 between the USMLE Step 1 and ABOS Part I, and an average correlation of 0.50 for postgraduate years (PGY) 2 through 5 OITE scores and ABOS Part I. There was a stepwise increase in correlation from PGY 2 through PGY 5 between the OITE scores and ABOS scores. Those who averaged in the 27th percentile or lower on the OITE had a 57% chance of failing the ABOS Part I examination.

CONCLUSION:

USMLE Step 1 scores correlated with ABOS Part I certifying examination scores, and we therefore believe it may be used as one factor in resident selection. Use of the OITE scores in guiding education and feedback appears to be justified.

PMID:
20352386
PMCID:
PMC3049614
DOI:
10.1007/s11999-010-1327-3
[Indexed for MEDLINE]
Free PMC Article

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