Potential subtype-specific alterations in gut microbiota and branched-chain amino acid metabolism in hydrogen- and methane-predominant small intestinal bacterial overgrowth.

Sci Rep · 2026 · PMC13139484 · PMID 41857155

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a nonsignificant trendno p-value reported

Smoking showed a significant inverse association with H2-SIBO after adjustment, despite a nonsignificant trend in univariable analysis.

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