KMID : 1812020210270040626
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Journal of Neurogastroenterology and Motility 2021 Volume.27 No. 4 p.626 ~ p.631
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Can We Rely on the Rome IV Questionnaire to Diagnose Children With Functional Gastrointestinal Disorders?
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Baaleman Desiree F.
Velasco-Benitez Carlos A. Mendez-Guzman Laura M. Benninga Marc A. Saps Miguel
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Abstract
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Background/Aims: To investigate the intra-rater (test-retest) reliability of the diagnosis of functional gastrointestinal disorders (FGIDs) as measured by the Questionnaire on Pediatric Functional Gastrointestinal Disorders, Rome IV version (QPGS-IV) in children.
Methods: A prospective cohort study was conducted in a public school in Cali, Colombia. Children and adolescents between 11 and 18 years of age were given the self-report Spanish version of the QPGS-IV at day 0 (baseline) and at day 2 (48 hours later).
Results: The study protocol was completed by 215 children, of which 97 (45%) were excluded from analysis due to the inability to follow the questionnaire¡¯s instructions. The final analysis included data of 118 children (mean age 15.0 ¡¾ SD 1.8 years old, 58.5% boys). The most common diagnoses were functional dyspepsia, functional constipation, and irritable bowel syndrome. We found a moderate intra-rater reliability (¥ê = 0.61-0.65) for diagnosing an FGID in general, a functional abdominal pain disorder, and the diagnosis of functional dyspepsia. We found a weak intra-rater reliability (¥ê = 0.46-0.54) for diagnosing a functional defecation disorder, functional constipation, irritable bowel syndrome, and the postprandial distress syndrome subtype of functional dyspepsia.
Conclusions: Our study shows that a large proportion of children cannot adequately complete the QPGS-IV and that the intra-rater reliability among those who did adequately follow the instructions is moderate. We advise to test the children¡¯s understanding of the instructions prior to completion of questionnaires and recommend to not rely exclusively on a self-reported questionnaire to select, recruit, or evaluate pediatric patients for FGIDs for research purposes.
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KEYWORD
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Child, Functional gastrointestinal disorders, Prevalence, Test-retest reliability
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