Development of a quality of care measurement system for children and adolescents. Methodological considerations and comparisons with a system for adult women

M. A. Schuster, S. M. Asch, E. A. McGlynn, E. A. Kerr, A. M. Hardy and D. S. Gifford
RAND, Santa Monica, Calif., USA.

OBJECTIVES: To describe the development of a pediatric quality of care measurement system designed to cover multiple clinical topics that could be applied to enrollees in managed care organizations and to compare the development of this system with the concurrent development of a similar system for adult women. DESIGN: Indicators were developed for 21 pediatric (ages 0-18 years) clinical topics and 20 adult (ages 17-50 years) women's clinical topics. Indicators were classified by the strength of evidence supporting them. A modified Delphi method was used to obtain validity and feasibility ratings from a pediatric expert panel and an adult women's expert panel. Indicators were categorized by type of care (preventive, acute, or chronic), function (screening, diagnosis, treatment, or follow up), and modality (history, physical examination, laboratory/radiology study, medication, other intervention, or other contact). RESULTS: Of 557 pediatric and 391 adult women's proposed indicators, 453 (81%) and 340 (87%), respectively, were retained by the 2 expert panels. A lower percentage of final pediatric indicators than adult indicators were based on randomized, controlled trials and other rigorous studies (18% vs 40%, P < .001). The expert panels were more likely to retain indicators based on rigorous studies (93% retained) than on descriptive studies and expert opinion (81% retained, P < .001). A higher percentage of pediatric indicators than women's indicators were for preventive care (30% vs 11%, P < .001) and a lower percentage were for acute care (36% vs 49%, P < .001) or chronic care (34% vs 41%, P = .06). CONCLUSIONS: This study contributes to the field of pediatric quality of care assessment by providing many more indicators than have been available previously and by documenting the strength of evidence supporting these indicators. Formal consensus methods are essential for the development of pediatric quality measures because the evidence base for pediatric care is more limited than for adult care.

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