• Daniel T Nagasawa, Joel S Beckett, Carlito Lagman, Lawrance K Chung, Benjamin Schmidt, Michael Safaee, Marvin Bergsneider, Neil Martin, Bilwaj Gaonkar, Luke Macyszyn, and Isaac Yang.
• Department of Neurosurgery, University of California, Los Angeles, California, USA.
• World Neurosurg. 2017 Feb 1; 98: 427-431.

BackgroundNeurosurgery residency is becoming an increasingly competitive match. The process of screening and ranking applicants is a multifactorial process that lacks uniformity across residency programs. A significant factor is the applicant's performance on the United States Medical Licensing Examination (USMLE) Step 1. USMLE Step 1 scores are often used to project future success in residency and performance on specialty boards like the American Board of Neurological Surgery (ABNS) examination. The authors of this study investigate the strength of correlations between USMLE Step 1 and ABNS scores.MethodsData were extracted from records of graduating residents from the neurosurgery residency program at the University of California, Los Angeles, between 2003 and 2010. Twenty-one residents were selected. USMLE Step 1 scores were deidentified and paired with ABNS scores. Correlation and regression analyses were performed.ResultsHigher USMLE Step 1 scores significantly correlated with higher ABNS scores (P = 0.01; Spearman correlation coefficient, 0.7).ConclusionsUSMLE Step 1 and ABNS scores are directly correlated. USMLE Step 1 scores will continue to be a valuable measure of projected success on ABNS written examinations, but more sophisticated measures are needed.Copyright © 2016 Elsevier Inc. All rights reserved.

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