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Qual Life Res. 2017 Apr;26(4):1015-1025. doi: 10.1007/s11136-016-1430-3. Epub 2016 Oct 14.

Gastrointestinal symptoms predictors of health-related quality of life in pediatric patients with functional gastrointestinal disorders.

Author information

1
Professor Emeritus, Department of Pediatrics, College of Medicine, Texas A&M University, 3137 TAMU, College Station, TX, 77843-3137, USA. jvarni@tamu.edu.
2
Department of Landscape Architecture and Urban Planning, College of Architecture, Texas A&M University, College Station, TX, USA. jvarni@tamu.edu.
3
Department of Pediatrics, Baylor College of Medicine, Children's Nutrition Research Center, Texas Children's Hospital, Houston, TX, USA.
4
Departments of Psychiatry and Pediatrics, Baylor College of Medicine, Texas Children's Hospital, Houston, TX, USA.
5
Center for Motility and Functional Gastrointestinal Disorders, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
6
Division of Gastroenterology, Hepatology and Nutrition, Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
7
Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
8
Division of Pediatric Gastroenterology, Children's Medical Center of Dallas, University of Texas Southwestern Medical School, Dallas, TX, USA.
9
Department of Psychology, Texas A&M University, College Station, TX, USA.
10
Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil.
11
Department of Pediatric Gastroenterology, Primary Children's Hospital, University of Utah, Salt Lake City, UT, USA.

Abstract

OBJECTIVES:

To investigate the patient-reported multidimensional gastrointestinal symptoms predictors of generic health-related quality of life (HRQOL) in pediatric patients with functional gastrointestinal disorders (FGIDs).

METHODS:

The Pediatric Quality of Life Inventory™ (PedsQL™) Gastrointestinal Symptoms Scales and PedsQL™ 4.0 Generic Core Scales were completed in a 9-site study by 259 pediatric patients with functional constipation, functional abdominal pain (FAP), or irritable bowel syndrome (IBS). Gastrointestinal Symptoms Scales measuring stomach pain, stomach discomfort when eating, food and drink limits, trouble swallowing, heartburn and reflux, nausea and vomiting, gas and bloating, constipation, blood in poop, and diarrhea were identified as clinically important symptom differentiators from healthy controls based on prior findings, and subsequently tested for bivariate and multivariate linear associations with overall HRQOL.

RESULTS:

Gastrointestinal symptoms were differentially associated with decreased HRQOL in bivariate analyses for the three FGIDs. In predictive models utilizing hierarchical multiple regression analyses controlling for age, gender, and race/ethnicity, gastrointestinal symptoms differentially accounted for an additional 47, 40, and 60 % of the variance in patient-reported HRQOL for functional constipation, FAP, and IBS, respectively, reflecting large effect sizes. Significant individual gastrointestinal symptoms predictors were identified after controlling for the other gastrointestinal symptoms in the FGID-specific predictive models.

CONCLUSIONS:

Gastrointestinal symptoms represent potentially modifiable predictors of generic HRQOL in pediatric patients with FGIDs. Identifying the condition-specific gastrointestinal symptoms that are the most important predictors from the patient perspective facilitates a patient-centered approach to targeted interventions designed to ameliorate impaired overall HRQOL.

KEYWORDS:

Functional abdominal pain; Functional constipation; Gastrointestinal symptoms; Irritable bowel syndrome; Patient-reported outcomes; PedsQL

PMID:
27743332
DOI:
10.1007/s11136-016-1430-3
[Indexed for MEDLINE]

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