Diagnostic Accuracy of Timed Barium Esophagram for Achalasia
Gastroenterology. 2025 Jul;169(1):63-72.
This study re-examined the diagnostic accuracy of timed barium esophagram (TBE) for achalasia using updated reference standards. We found that a classification tree model incorporating multiple metrics achieved 88.3% accuracy, significantly outperforming traditional single-metric methods, offering clinicians a standardized and more reliable approach to TBE interpretation.