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Table 1 Inclusion and exclusion criteria

From: Trans-anal irrigation therapy to treat adult chronic functional constipation: systematic review and meta-analysis

Inclusion Exclusion
Primary research Audit/letters/commentaries/opinion/review articles
Patients with Chronic Functional Constipation (Obstructive defaecation and/or slow transit/IBS-C) Studies in children (<18 years) only
Full articles published in peer-reviewed journals Studies in neurogenic constipation only
English Language Studies where all patients have undergone colorectal surgery (resection or rectopexy, etc.)
Retrograde irrigation using standard equipment performed at home Studies in stoma patients only
Primary outcome is patient symptom improvement/response to treatment Studies in antegrade irrigation only