Symptom prevalence (for epigastric pain, heartburn/regurgitation, bloating, nausea, vomiting, belching, dysphagia and weight loss) in the two groups (those with delayed GE (blue bars) and those with normal GE (orange bars)). Symptom prevalence (for epigastric pain, heartburn/regurgitation, bloating, nausea, vomiting, belching, dysphagia and weight loss) in the two groups (those with delayed GE (blue bars) and those with normal GE (orange bars)). Except for weight loss, both groups exhibited similar prevalence of upper digestive symptoms. GE, gastric emptying; Hb/Reg, heartburn/regurgitation; WtLoss, weight loss. George Triadafilopoulos et al. BMJ Open Gastroenterol 2017;4:e000169 © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.