Evaluating the reliability and construct validity of the Eckardt symptom score as a measure of achalasia severity.

Tiffany H Taft Dustin A CarlsonJ TriggsJ CraftK StarkeyR YadlapatiD GregoryJ E Pandolfino

Published in: Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society (2018)

The ESS demonstrates fair reliability and validity, with a single factor structure mostly explained by dysphagia. Based on psychometric findings, weight loss and chest pain items may be decreasing ESS reliability and validity. Further assessment of the ESS under FDA guidelines is warranted.

Keyphrases

weight loss
bariatric surgery
roux en y gastric bypass
clinical practice
type diabetes
physical activity
metabolic syndrome
adipose tissue
skeletal muscle
weight gain