Interpretability of the PedsQL Gastrointestinal Symptoms Scales and Gastrointestinal Worry Scales in Pediatric Patients With Functional and Organic Gastrointestinal Diseases.
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abstract
OBJECTIVE: The present study investigates the clinical interpretability of the Pediatric Quality of Life Inventory (PedsQL) Gastrointestinal Symptoms Scales and Worry Scales in pediatric patients with functional gastrointestinal disorders or organic gastrointestinal diseases in comparison with healthy controls. METHODS: The PedsQL Gastrointestinal Scales were completed by 587 patients with gastrointestinal disorders/diseases and 685 parents, and 513 healthy children and 337 parents. Minimal important difference (MID) scores were derived from the standard error of measurement (SEM). Cut-points were derived based on one and two standard deviations (SDs) from the healthy reference means. RESULTS: The percentages of patients below the scales' cut-points were significantly greater than the healthy controls (most p values .001). Scale scores 2 SDs from the healthy reference means were within the range of scores for pediatric patients with a gastrointestinal disorder. MID values were generated using the SEM. CONCLUSIONS: The findings support the clinical interpretability of the new PedsQL Gastrointestinal Symptoms Scales and Worry Scales.
Varni, J. W., Bendo, C. B., Shulman, R. J., Self, M. M., Nurko, S., Franciosi, J. P., ... Pediatric Quality of Life Inventory Gastrointestinal Symptoms Module Testing Study Consortium.
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Varni, James W||Bendo, Cristiane B||Shulman, Robert J||Self, Mariella M||Nurko, Samuel||Franciosi, James P||Saps, Miguel||Saeed, Shehzad||Zacur, George M||Vaughan Dark, Chelsea||Pohl, John F
