Prevalence of extra‐oesophageal manifestations in gastro‐oesophageal reflux disease: an analysis based on the ProGERD Study

Patients with GERD have a high probability of experiencing EED, which may be associated with a number of prognostic factors such as duration and severity of GERD. Extra-oesophageal disorders are slightly, but statistically, more prevalent in ERD than in NERD patients.