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Background: Accrediting bodies and professional societies for surgical education are increasingly recognizing the need for case minimum requirements to enhance standardized training.
Purpose: To determine case volume benchmarks for operative training during Accreditation Council for Graduate Medical Education (ACGME)-accredited orthopaedic sports medicine fellowships in the United States.
Study Design: Cross-sectional analysis; Level of evidence, 3.
Methods: Case volume percentiles were calculated across ACGME-defined case categories and temporal changes analyzed with linear regression. Variability was defined as the fold difference between the 90th and 10th percentiles by case volume. Sensitivity analyses were performed to identify potential targets for case minimum requirements.
Results: Case logs from 1281 orthopaedic sports medicine fellows were analyzed. There was an increase in the mean reported case volume over the study period (from 323.3 ± 125.0 to 375.6 ± 144.0; = .049). Pediatric patients accounted for a minority of cases (annual range, 6%-7%). The bottom 10th and 30th percentiles of fellows reported a total of 179 and 239 cases, respectively. Most cases were reported in the rotator cuff (29%), meniscus (26%), and knee instability (21%) categories. Variability in the reported case volume was greatest in hip arthroscopic surgery (37.0), patellofemoral instability (15.5), the foot and ankle (12.9), and elbow instability (10.7). Variability decreased for knee instability ( = .006) and total ( = .028) cases over the study period but increased for foot and ankle ( = .002), knee multiligament repair/reconstruction ( = .008), and knee osteotomy ( = .025) cases.
Conclusion: Surgical benchmarks can assist future trainees and faculty identify areas to improve the operative experience and reduce variability during fellowship training. The operative experience of recent fellows suggests a potential case minimum target between 179 and 239 cases to achieve the 10th and 30th percentiles, respectively. However, further research is needed to establish evidence-based case minimum requirements for ACGME-accredited orthopaedic sports medicine fellowship training.
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http://dx.doi.org/10.1177/03635465251317502 | DOI Listing |
Eye (Lond)
September 2025
Beijing Tongren Eye Center Research Ward, Beijing Tongren Hospital, Beijing Institute of Ophthalmology, Beijing Ophthalmology & Visual Sciences Key Laboratory, Capital Medical University, Beijing, China.
Background: To evaluate the peripheral vitreoretinal abnormality (PVA) and its correlation with the risk of malignant glaucoma (MG) in nanophthalmos with secondary angle closure glaucoma (NSACG).
Methods: This prospective case series included 47 NSACG eyes with axial length (AL) < 21 mm from 25 patients. PVA was defined as a hyperreflective echo at the peripheral vitreoretinal region under ultrasound biomicroscopy (UBM).
Sci Total Environ
September 2025
Environmental Science and Engineering Department, Indian Institute of Technology Bombay, Mumbai, 400076, India; Centre for Climate Studies, Indian Institute of Technology Bombay, Mumbai, 400076, India.. Electronic address:
With growing populations and an increasing frequency of flood events, large-scale flood hazard assessment (LSFHA) and exposure analyses have become critically important. Global Flood Models (GFMs) significantly contribute to these efforts by simulating flood dynamics based on runoff inputs from Land Surface Models (LSMs), Global Hydrological Models (GHMs), or Reanalysis datasets. However, GFM outputs remain highly sensitive to runoff input choice, leading to substantial uncertainty in LSFHA.
View Article and Find Full Text PDFJ Appl Stat
February 2025
Faculty of Pure and Applied Mathematics, Wrocław University of Science and Technology, Wrocław, Poland.
Inequality (concentration) curves such as Lorenz, Bonferroni, Zenga curves, as well as a new inequality curve - the curve, are broadly used to analyse inequalities in wealth and income distribution in certain populations. Quantile versions of these inequality curves are more robust to outliers. We discuss several parametric estimators of quantile versions of the Zenga and curves.
View Article and Find Full Text PDFComput Biol Chem
September 2025
School of Mathematics, Statistics and Computer Science, Durban 4000, KwaZulu-Natal, South Africa; National Institute for Theoretical and Computational Sciences, NITheCS, South Africa. Electronic address:
Food insecurity and the spread of infectious disease are among the two major problems facing the world today especially in poor rural communities. Unfortunately, these two problems are related as many poor rural communities with food insecurity issues are also endemic to some food and waterborne diseases. A mathematical model that takes into consideration the major factors affecting food insecurity and disease is developed and used to analyse the problems.
View Article and Find Full Text PDFTransposition is a well-known genome rearrangement event that switches two consecutive sub-strings on a string. Since a transposition makes changes to a string, the genome here is just a string. The problem of transforming one string into the other by a sequence of transposition operations has attracted a lot of attention.
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