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Related Experiment Video

Updated: May 12, 2026

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
14:52

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Published on: December 11, 2013

Inter-observer variability in the reporting of dynamic evacuation proctography.

S G Stojkovic1, I W Ireland, J H Holmfield

  • 1Department of Surgery, Centre for Digestive Diseases, Leeds General Infirmary, Leeds, UK.

Colorectal Disease : the Official Journal of the Association of Coloproctology of Great Britain and Ireland
|April 13, 2013
PubMed
Summary

Dynamic evacuation proctography (DEP) shows good reporting consistency between observers for evaluating pelvic floor mechanics. This diagnostic tool is reliable for identifying conditions like rectocoeles and intussusception.

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Area of Science:

  • Radiology
  • Gastroenterology
  • Pelvic Floor Imaging

Background:

  • Dynamic evacuation proctography (DEP) is utilized for assessing pelvic floor dysfunction.
  • Inter-observer variability can impact the reliability of diagnostic imaging interpretations.

Purpose of the Study:

  • To quantify the inter-observer variability in the reporting of dynamic evacuation proctography (DEP).
  • To assess the diagnostic consistency of DEP for specific pelvic floor abnormalities.

Main Methods:

  • Retrospective analysis of 136 DEP videotapes reported by two independent observers.
  • Assessment included presence/absence and size of anterior rectocoeles, intussusception, rectal prolapse, and non-relaxing puborectalis syndrome (NRPS).
  • Inter-observer agreement was analyzed using the κ statistic.

Main Results:

  • κ scores indicated good to excellent agreement for rectal prolapse (0.79) and anterior rectocoeles (0.82).
  • Moderate agreement was observed for NRPS (0.70) and intussusception (0.54).
  • Individual assessments of normal proctograms varied between observers (18% vs. 26%).

Conclusions:

  • Dynamic evacuation proctography (DEP) demonstrates good inter-observer reproducibility for pelvic floor mechanics assessment.
  • The findings support DEP as a reliable investigation with consistent reporting within the department.
  • High agreement for key findings suggests clinical utility in diagnosing pelvic floor disorders.