Interrater and intrarater agreement of the chicago classification of achalasia subtypes using high-resolution esophageal manometry

The American Journal of Gastroenterology
Jose C HernandezMichael D Crowell

Abstract

Subclassification of achalasia based on high-resolution manometry (HRM) may be clinically relevant because response to therapy may vary by subtype. However, the consistency and reliability of subtyping achalasia patients based on HRM remains undefined. The objectives of this study were to assess interrater and intrarater agreement (reliability) of achalasia subtyping using the Chicago classification, and to evaluate the diagnostic consistency between clinicians interpreting HRM. After receiving training on the classification criteria, five raters classified 20 achalasia and 10 non-achalasia cases in separate sessions 1 week apart. To further assess agreement, two raters classified all 101 available achalasia HRMs. Agreement for the classification of subtypes of achalasia was calculated using Cohen's κ and Krippendorff's α-reliability estimate. Estimates of agreement among raters was good during both sessions (α=0.75; 95% confidence interval=0.69, 0.81 and α=0.75; 95% confidence interval=0.68, 0.81). Both interrater (κ=0.86-1.0) and intrarater (κ=0.86-1.0) agreement were very good for type III achalasia. Agreement between types I and II was more variable. Reliability was improved when type I and type II were combined (α=0.84; 95...Continue Reading

References

Mar 1, 1991·Digestive Diseases and Sciences·J R TodorczukR E Clouse
Mar 7, 2001·Gastroenterology·I HiranoP J Kahrilas
Oct 19, 2001·Journal of Clinical Gastroenterology·L Camacho-LobatoD O Castell
Dec 31, 2003·Gastroenterology·James C H HardwickMaikel P Peppelenbosch
Jan 6, 2005·Gastroenterology·John E PandolfinoUNKNOWN American Gastroenterological Association
Aug 11, 2007·American Journal of Physiology. Gastrointestinal and Liver Physiology·Sudip K GhoshPeter J Kahrilas
Sep 29, 2007·The American Journal of Gastroenterology·John E PandolfinoPeter J Kahrilas
Mar 28, 2008·Journal of Clinical Gastroenterology·Peter J KahrilasJohn E Pandolfino
Aug 30, 2008·Gastroenterology·John E PandolfinoPeter J Kahrilas
May 6, 2009·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·J E PandolfinoP J Kahrilas
Feb 25, 2010·The American Journal of Gastroenterology·Peter J Kahrilas
Mar 4, 2011·Journal of Neurogastroenterology and Motility·Nitesh PratapD Nageshwar Reddy

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Citations

Jun 3, 2015·The American Journal of Gastroenterology·Shiva K RatuapliJoseph A Murray
Jun 3, 2015·The American Journal of Gastroenterology·Dustin A CarlsonJohn E Pandolfino
Jun 7, 2017·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·M M J SingendonkT I Omari
Aug 2, 2016·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·I SuttrupT Warnecke
Feb 15, 2018·Expert Review of Gastroenterology & Hepatology·Marinde van LennepMaartje M J Singendonk
Jan 3, 2018·Journal of Neurogastroenterology and Motility·Ji Hyun KimUNKNOWN Motility Study Club of Korean Society of Neurogastroenterology and Motility
Dec 30, 2014·Current Gastroenterology Reports·Joel E Richter
Jan 28, 2014·Indian Journal of Gastroenterology : Official Journal of the Indian Society of Gastroenterology·Uday C Ghoshal
Feb 27, 2018·American Journal of Audiology·Kairn Stetler Kelley, Benjamin Littenberg
Jan 23, 2013·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·C P GyawaliM F Vaezi
Aug 11, 2020·The American Journal of Gastroenterology·Michael F VaeziRobert T Kavitt
Mar 22, 2014·Diseases of the Esophagus : Official Journal of the International Society for Diseases of the Esophagus·A ZanoniE H Blackstone
Dec 19, 2014·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·M M J SingendonkS Kritas
Dec 30, 2014·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·T V K HerregodsA J Bredenoord
Dec 5, 2020·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·Jan TackUNKNOWN ESNM HRM consensus group

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