Inter- and intra-observer variability in the measurement of length at endoscopy: implications for the measurement of Barrett's esophagus

• Published in: Gastrointestinal endoscopy Vol. 59; no. 6; pp. 655 - 658
• Main Authors: Guda, Nalini M, Partington, Susan, Vakil, Nimish
• Format: Journal Article
• Language: English
• Published: New York, NY Mosby, Inc 01.05.2004; Elsevier
• Subjects: Barrett Esophagus - pathology; Biological and medical sciences; Clinical Competence; Endothelium - pathology; Esophagus; Esophagus - pathology; Gastroenterology. Liver. Pancreas. Abdomen; Humans; Medical sciences; Models, Structural; Observer Variation; Other diseases. Semiology; Length; Variability; Esophageal disease; Gastroenterology; Observer; Length measurement; Digestive diseases; Barrett esophagus; Endoscopy

Endoscopic measurements are frequently used to determine the length of Barrett's epithelium. Decreases in measured length also are used to assess response to pharmacotherapy. The aim of this study was to determine the accuracy of the endoscopic measurement of length under standardized condition...