Purpose: This study examined the extent to which differences in clinical experience, gained in postgraduate training programs, affect performance on Step 3 of the United States Medical Licensing Examination (USMLE).
Method: Subjects in the study were 36,805 U.S. and Canadian medical school graduates who took USMLE Step 3 for the first time between November 1999 and December 2002. Regression analyses examined the relation between length and type of postgraduate training and Step 3 score after controlling for prior performance on previous USMLE examinations.
Results: Results indicate that postgraduate training in programs that provide exposure to a broad range of patient problems, and continued training in such areas, improves performance on Step 3.
Conclusions: Study data reaffirm the validity of the USMLE Step 3 examination, and the information found in the pattern of results across specialties may be useful to residents and program directors.
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http://dx.doi.org/10.1097/00001888-200310001-00004 | DOI Listing |
Transl Psychiatry
January 2025
Department of Neurosurgery, General Hospital of Northern Theater Command, Postgraduate Training Base of General Hospital of Northern Theater Command of Jinzhou Medical University, Shenyang, Liaoning, China.
Traumatic brain injury (TBI) is identified as a risk factor for Parkinson's disease (PD), which is a neurodegenerative disease characterized by the loss of dopaminergic neurons in the substantia nigra (SN). However, the precise mechanism by which chronic TBI initiates PD pathogenesis is not yet fully understood. In our present study, we assessed the chronic progression and pathogenesis of PD-like behavior at different intervals in TBI mice.
View Article and Find Full Text PDFCancer Lett
January 2025
Department of Medical Thoracic Oncology, Zhejiang Cancer Hospital, Institute of Basic Medicine and Cancer(IBMC),Chinese Academy of Sciences, Hangzhou, Zhejiang, China. Electronic address:
Pediatr Neurol
January 2025
Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Background: To explore the utility of general movements assessment as a predictive tool of the neurological outcome in term-born infants with hypoxic-ischemic encephalopathy (HIE) at ages six and 12 months.
Methods: This prospective observational study was conducted for 18 months (August 2018 to December 2019). Term-born newborns with HIE were included.
Background: Placement of right precordial leads in higher intercostal spaces (EEP-ECG) improves the detection of Brugada Syndrome (BrS). Given the potential difficulty of lead placement and the transient nature of BrS ECG patterns, we developed a model to predict EEP-ECG from a standard 12‑lead ECG.
Objective: To create and validate a model that derives EEP-ECG leads from a standard 12‑lead ECG.
Nutr Res
January 2025
Health and Nutrition Postgraduate Program, State University of Ceará, Fortaleza, Ceará, Brazil.
Previous evidence suggests that certain types of nuts, when included in a healthy diet pattern, may provide health benefits. Therefore, we hypothesize that the consumption of cashew nuts associated with a healthy diet may enhance antioxidant defenses and improve anthropometric and body composition parameters in individuals with obesity. We conducted a 12-week randomized clinical trial, divided into 4 sessions, involving adolescents randomly assigned to receive either 30 g of roasted cashew nuts together with nutrition education (cashew nut group-CNG) or only nutrition education (control group-CG).
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