Figure 1.

Impact of postoperative delayed gastric emptying (DGE) on patients' weight and symptoms. a Overall gastroparetic symptoms, b postprandial bloating, c anorexia, d nausea and e vomiting in patients with and those without DGE, assessed at 3, 6 and 12 months after hiatus hernia repair. f Changes in bodyweight (top: mean(s.e.m.) absolute bodyweight; bottom: percentage of preoperative bodyweight) over the same period. *P < 0·050, †P < 0·001, ‡P = 0·09 (a–e Fisher's exact test; f unpaired Student's t test)