Figure 2. Sixty nine of 378 LIT patients indicated abdominal pain during lactose H₂ breath tests. Abdominal pain was specified by 30 of 153 LIT patients (19.6 %), seven of 68 patients with H. pylori (10.3 %), 14 patients of 58 H. pylori and LIT patients (24.1 %), three of 47 H. pylori and HIT patients (6.4 %), 14 of 46 H. pylori and LIT with HIT patients (33.4 %), two of 23 H. pylori, LIT and FM patients (8.7 %) and in six patients of 13 H. pylori, LIT, HIT with FM patients (46.2 %).

Abbreviations: FM, Fructose malabsorption; H. pylori, Helicobacter pylori; HIT, histamine intolerance; LIT, lactose intolerance