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Is an abbreviated Pediatric Crohn's Disease Activity Index better than the original?

Melissa A Shepanski1, Jonathan E Markowitz, Petar Mamula

  • 1Center for Pediatric Inflammatory Bowel Disease, The Children's Hospital of Philadelphia, University of Pennsylvania, USA.

Journal of Pediatric Gastroenterology and Nutrition
|June 10, 2004
PubMed

Insights

An abbreviated Pediatric Crohn's Disease Activity Index (PCDAI) effectively measures disease activity, correlating well with the full PCDAI and quality of life. This simplified tool may offer advantages for assessing pediatric Crohn's disease.

Area of Science:

  • Pediatric gastroenterology
  • Clinical assessment tools
  • Inflammatory bowel disease

Background:

  • The Pediatric Crohn's Disease Activity Index (PCDAI) is a validated tool for assessing pediatric Crohn's disease activity.
  • Current PCDAI requires laboratory evaluations and height velocity calculations, which can be burdensome.
  • An abbreviated PCDAI, omitting laboratory assessments, may offer a more practical alternative.

Purpose of the Study:

  • To compare the utility of an abbreviated PCDAI with the original PCDAI.
  • To evaluate the correlation between the abbreviated PCDAI and a quality-of-life measure (IMPACT-35 Questionnaire).

Main Methods:

  • Prospective analysis of quality of life and disease activity in pediatric patients.
  • Utilized the IMPACT-35 Questionnaire, the full PCDAI, and a newly developed abbreviated PCDAI.
  • The abbreviated PCDAI included historical (pain, stools, functioning) and physical examination (weight, abdomen, perirectal) items.

Main Results:

  • A strong, significant correlation was found between the full PCDAI and the abbreviated PCDAI (r = 0.849, p <0.001).
  • Moderate, significant correlations were observed between both PCDAI versions and the IMPACT-35 quality-of-life questionnaire.
  • The abbreviated PCDAI demonstrated comparable predictive value for disease activity.

Conclusions:

  • An abbreviated PCDAI is a reliable measure of disease activity, comparable to the full PCDAI.
  • The abbreviated PCDAI shows good correlation with patient-reported quality of life.
  • This simplified index may provide a more convenient method for assessing pediatric Crohn's disease activity and warrants further validation.
Abstract

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