Association between intestinal functional disorders and anal fistula: evidence from a retrospective case-control study.

PeerJ · 2026 · PMC13312997 · PMID 42376049

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did not reach statistical significanceno p-value reported

However, in the present study its effect was weaker and did not reach statistical significance, possibly owing to limited sample size, the operational definition of constipation, and stratification schema.

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