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A Study on Interobserver and Intraobserver Reliability of the Huashan Radiologic Classification System for Cervical

Chi Sun1, Guangyu Xu1, Hongwei Wang1

  • 1Department of Orthopaedics, Huashan Hospital, Fudan University, Shanghai.

Clinical Spine Surgery
|April 19, 2024
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Summary

The Huashan classification system for cervical spinal cord injury without fracture and dislocation (CSCIWFD) demonstrates excellent reproducibility and reliability among spine surgeons. This system is easy to learn and apply, aiding precise evaluation and personalized treatment strategies.

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Area of Science:

  • Radiology
  • Neurosurgery
  • Orthopedics

Background:

  • The Huashan radiologic classification system for cervical spinal cord injury without fracture and dislocation (CSCIWFD) has been proposed for clinical utility.
  • Accurate classification is crucial for effective patient management.

Purpose of the Study:

  • To assess the reproducibility and reliability of the Huashan radiologic classification system for CSCIWFD.
  • Evaluate interobserver and intraobserver agreement among spine surgeons with varying experience levels.

Main Methods:

  • An observational study involving 60 patients diagnosed with CSCIWFD.
  • Six spine surgeons (3 experienced, 3 inexperienced) classified patients twice over 8 weeks.
  • Analysis of agreement using percentage agreement, weighted kappa, and Cohen kappa statistics.

Main Results:

  • Overall interobserver agreement ranged from substantial to nearly perfect (κ = 0.74–0.84).
  • High agreement was observed in differentiating specific types and spinal cord compression (κ up to 0.94).
  • Intraobserver agreement demonstrated substantial to nearly perfect reliability (κ = 0.78–0.95).

Conclusions:

  • The Huashan system for CSCIWFD is easy to learn and apply in clinical settings.
  • The system exhibits excellent reproducibility and reliability.
  • It is promising for precise evaluation and personalized treatment strategies in CSCIWFD.