Figure 1.

Mean (±SD) glucose breath-test results (A) at baseline and (B) at 6 months post-surgery. Abbreviations: parts per million (PPM); hydrogen (H₂). In Figure 1A, H₂ values for all at 0 min were 4.6 ± 3.6 (range: 1–15). In Figure 1B, H₂ values for all at 0 min were 3.5 ± 3.1 (range: 1–13); a rise in H₂ of ≥20 ppm during the test when compared with the basal value considered as indicative of SIBO; Among the patients with a positive glucose breath-test, 6 (60%) were “early risers” (i.e., H₂ of ≥20 ppm rise occurred up to 60 min), and 4 (40%) were “late risers” (i.e., H₂ of ≥20 ppm rise occurred after 60 min).