Does the NBME Surgery Shelf exam constitute a “double jeopardy” of USMLE Step 1 performance? - 18/04/17
Abstract |
Background |
Scores from the NBME Subject Examination in Surgery (Surgery Shelf) positively correlate with United States Medical Licensing Examination Step 1 (Step 1). Based on this relationship, the authors evaluated the predictive value of Step 1 on the Surgery Shelf.
Methods |
Surgery Shelf standard scores were substituted for Step 1 standard scores for 395 students in 2012–2014 at one medical school. Linear regression was used to determine how well Step 1 scores predicted Surgery Shelf scores. Percent match between original (with Shelf) and modified (with Step 1) clerkship grades were computed.
Results |
Step 1 scores significantly predicted Surgery Shelf scores, R2 = 0.42, P < 0.001. For every point increase in Step 1, a Surgery Shelf score increased by 0.30 points. Seventy-seven percent of original grades matched the modified grades.
Conclusion |
Replacing Surgery Shelf scores with Step 1 scores did not have an effect on the majority of final clerkship grades. This observation raises concern over use of Surgery Shelf scores as a measure of knowledge obtained during the Surgery clerkship.
Le texte complet de cet article est disponible en PDF.Keywords : Surgery clerkship, Surgery Shelf exam, USMLE Step 1 exam
Plan
Vol 213 - N° 2
P. 325-329 - février 2017 Retour au numéro
Article précédent
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