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The neuroradiology fellowship match is conducted by the National Resident Matching Program (NRMP) every year. The purpose of this study is to report the trends in neuroradiology match results from 2008 to 2020 in the United States (US) using data available from the NRMP. The fellowship match data was obtained from the NRMP archives. Data specific to programs (number of programs and filled positions) were obtained. Using the NRMP's “Charting Outcomes in the Match: Specialty Matching Service'' report, a detailed analysis of applicant characteristics broken down for each specialty, was also obtained for neuroradiology for the year 2018. Neuroradiology programs in the NRMP Match increased from 71 to 77 and the number of positions increased from 158 to 270 between 2008 and 2020. The fill rate of fellowship spots has remained steady at 75.9% in 2008 and 74.4% in 2020. The proportion of US allopathic medical graduates (US MD) amongst the filled spots decreased from 79.2% (2008) to 64.2% (2020), while the proportion of international medical graduates (IMGs) increased from 11.7% to 25.4%. US MD and IMG fill trends did not reach statistical significance (P = 0.78 and P = 0.92, respectively). US MDs had a higher number of research experiences and publications (23.2 and 26, respectively) when compared to US IMGs (5 and 7) and non-US IMGs (6.8 and 14.2). To conclude, over the last 13 years, the neuroradiology fellowship programs in the US have increased in number and expanded in size, with an almost stable fill rate of around 75%.

Purpose To analyse the demographics, academic background, and scholarly activity of Interventional Neuroradiology (INR)/Endovascular Surgical Neuroradiology (ESN) program directors (PDs) in the United States (US) and Canada. Methods A list of all INR/ESN fellowships was obtained from the Accreditation Council for Graduate Medical Education, the Committee on Advanced Subspecialty Training, maintained by Society of Neurological Surgeons, the NeuroInterventional Training list website maintained by the Society of NeuroInterventional Surgery, and the Neurosurgical Fellowship Training Program Directory website maintained by the American Association of Neurological Surgeons. Online search was performed to identify PDs for these programs. Publicly available sources used to gather information about each PD included the program websites, the HealthGrades and Doximity websites, and Elsevier's Scopus database. Demographic and educational data including age, gender, educational background, subspecialty, appointment age, interval between residency completion and appointment as PD, additional degrees, academic rank, prior leadership positions, and metrics of scholarly activity were recorded. One-way analysis of variance was used to determine differences between the means of different groups. Results A total of 78 PDs from 72 programs were included, of which 72 (92.3%) were male with the mean age of 49.59 years (SD 7.25). Specialty division of PDs was neurosurgery (40, 51.3%), radiology (26, 33.3%), and neurology (10, 12.8%), whereas 2 PDs were dual board-certified in neurology and radiology. Twenty-five (32.1%) PDs attended an international medical school. All PDs received an MD degree or foreign equivalent, with no PD holding a DO degree. Eleven PDs received a PhD degree and 16 PDs received fellowship from a professional medical society. The mean ± SD publications, citations, and h-indexes of PDs were 111.32 ± 121.18, 2985.0 ± 1459.0 and 22.27 ± 15.45, respectively. There was no statistical difference in scholarly activity among PDs when stratified on the basis of specialty, gender, and US region. Conclusion INR/ESN PDs are predominantly male, with a majority from neurosurgery background, and thirty percent having graduated from international medical schools.