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Assessing activity of pediatric Crohn's disease: which index to use?

A Otley1, H Loonen, N Parekh

  • 1Division of Gastroenterology/Clinical Nutrition, The Hospital for Sick Children, Department of Pediatrics, University of Toronto, Toronto, Canada.

Gastroenterology
|February 25, 1999
PubMed

Insights

The Pediatric Crohn's Disease Activity Index (PCDAI) better distinguishes pediatric Crohn's disease activity levels than the adult Crohn's Disease Activity Index (CDAI). PCDAI shows stronger correlations with key inflammation markers.

Area of Science:

  • Pediatric Gastroenterology
  • Inflammatory Bowel Disease Research
  • Clinical Assessment Tools

Background:

  • The Pediatric Crohn's Disease Activity Index (PCDAI) was developed for pediatric patients, incorporating growth and laboratory markers.
  • The adult Crohn's Disease Activity Index (CDAI) relies more on subjective symptoms.

Purpose of the Study:

  • To compare the feasibility, validity, and responsiveness of PCDAI versus CDAI in pediatric Crohn's disease.
  • To determine which index better assesses disease activity in children and adolescents.

Main Methods:

  • Eighty-one pediatric patients with Crohn's disease were evaluated.
  • Gastroenterologists provided global assessments of disease activity (quiescent to severe).
  • CDAI and PCDAI scores were calculated independently.

Main Results:

  • Both PCDAI and CDAI showed significant differences in scores across disease activity levels.
  • PCDAI demonstrated less score overlap between strata compared to CDAI.
  • PCDAI correlated better with serum orosomucoid and platelet count.

Conclusions:

  • Both PCDAI and CDAI are effective in reflecting disease activity in pediatric Crohn's disease.
  • PCDAI exhibits superior ability in discriminating between varying levels of disease activity in pediatric patients.
Abstract

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