Symptom Index or Symptom Association Probability?: A Closer Look at Symptom Association in Suspected GERD Patients

Background: Symptom index (SI) and symptom association probability (SAP) are popular methods used to measure symptom association in patients with gastroesophageal reflux disease (GERD). Aim: To investigate whether these 2 methods yield similar results in analysis of both typical and atypical GERD symptoms. Materials and Methods: Combined impedance-pH reflux studies of 1471 patients tested for possible GERD symptoms from January 2010 to May 2015 were reviewed. SI and SAP were analyzed for typical and atypical GERD symptoms including heartburn, regurgitation, indigestion, chest pain, cough, and throat clearing (TC). Patients who reported
Source: Journal of Clinical Gastroenterology - Category: Gastroenterology Tags: ONLINE ARTICLES: Original Articles Source Type: research