From: Short-course Rifaximin therapy efficacy and lactulose hydrogen breath test in Chinese patients with diarrhea-predominant irritable bowel syndrome
LHBT
95% CI (%)
P value
Positive/N (%)
Negative/N (%)
Pre-treatment
45 (57.7)
33 (42.3)
46.5–68.9
<0.001
Post-treatment
25 (32.1)
53 (67.9)
21.5–42.6