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Evaluation of the ambulatory and home care record: Agreement between self-reports and administrative data

Published online by Cambridge University Press:  28 March 2006

Denise N. Guerriere
Affiliation:
University of Toronto
Wendy J. Ungar
Affiliation:
University of Toronto and The Hospital for Sick Children
Mary Corey
Affiliation:
University of Toronto and The Hospital for Sick Children
Ruth Croxford
Affiliation:
Sunnybrook and Women's College Health Sciences Centre
Jennifer E. Tranmer
Affiliation:
University of Toronto
Elizabeth Tullis
Affiliation:
University of Toronto and St. Michael's Hospital
Peter C. Coyte
Affiliation:
University of Toronto

Abstract

Objectives: Although measuring the utilization of ambulatory and home-based healthcare resources is an essential component of economic analyses, very little methodological attention has been devoted to the development and evaluation of resource costing tools. This study evaluated a newly developed tool, the Ambulatory and Home Care Record (AHCR), which comprehensively evaluates costs incurred by the health system and care recipients and their unpaid caregivers.

Methods: The level of agreement between self-reports from 110 cystic fibrosis care recipients and administrative data was assessed for four categories of health services: home-based visits with healthcare professionals, ambulatory visits with healthcare professionals, laboratory and diagnostic tests, and prescription medications.

Results: Agreement between care recipients' reports on the AHCR and administrative data ranged from moderate (kappa=0.41; 95 percent confidence interval, 0.16–0.61) for physician specialist visits to perfect (kappa=1.0) for physiotherapy visits.

Conclusions: By evaluating and standardizing a resource and costing tool, such as the AHCR, economic evaluations may be improved and comparisons of the resource implications for different services and for diverse populations are possible.

Type
GENERAL ESSAYS
Copyright
© 2006 Cambridge University Press

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