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Related Concept Videos

Variability: Analysis01:11

Variability: Analysis

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Measures of variability are statistical metrics that reveal the dispersion pattern within a dataset. They are pivotal in biostatistics, providing insights into the heterogeneity within health and biological data. Variability signifies the degree to which data points diverge from one another, helping researchers understand the potential range of values and associated uncertainty within the data.
The range is a simple measure of variability, indicating the difference between the highest and...
230

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Related Experiment Video

Updated: Oct 8, 2025

Step By Step: Microsurgical training method combining two nonliving animal models
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Variability in Hand Surgery Training Among Plastic and Orthopaedic Surgery Residents.

Edward J Testa1, Sebastian Orman, Michael A Bergen

  • 1From the Department of Orthopaedic Surgery, Brown University/Warren Alpert School of Medicine, Providence, RI (Dr. Testa, Dr. Orman, Dr. Bergen, Dr. Li, and Dr. Gil), and Brown University/Warren Alpert School of Medicine, Providence, RI (Dr. Ready).

Journal of the American Academy of Orthopaedic Surgeons. Global Research & Reviews
|January 4, 2022
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Summary
This summary is machine-generated.

Orthopaedic surgery residents complete fewer hand surgery cases than plastic surgery residents, with notable differences in trauma, nerve repair, and amputation volumes. This highlights potential training variations needing attention.

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Area of Science:

  • Medical Education
  • Surgical Training
  • Hand Surgery

Background:

  • Hand surgery fellowship is required post-residency in the US.
  • Residency programs exhibit variability in surgical case volumes.
  • Characterizing training differences between orthopaedic and plastic surgery residents is crucial.

Purpose of the Study:

  • To compare hand surgery case volumes between orthopaedic surgery (OS) and plastic surgery (PRS) residents.
  • To identify variations in specific procedure types within and between these specialties.
  • To inform curriculum development and address potential training gaps.

Main Methods:

  • Analysis of hand surgery case logs from graduating OS and PRS residents (2010-2019).
  • Comparison of mean case volumes using student t-tests.
  • Assessment of intraspecialty variation using 90th and 10th percentile comparisons.

Main Results:

  • Mean hand surgery case volume was higher for PRS residents (412.0) than OS residents (247.0).
  • OS residents performed more trauma cases, while PRS residents performed more nerve repairs and amputations.
  • Nerve decompression volumes were similar; significant intraspecialty variation existed for amputations (OS) and replantation (PRS).

Conclusions:

  • Orthopaedic surgery residents handle fewer overall hand surgery cases but more trauma compared to plastic surgery residents.
  • Plastic surgery residents demonstrate higher volumes in nerve repair and amputation procedures.
  • Findings suggest potential training deficiencies that residency and fellowship directors should consider.