| Relationship of asthma control to asthma exacerbations using surrogate markers within a managed care database. | |
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MedLine Citation:
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PMID: 20469953 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To compare the relationship of surrogate markers of asthma control to subsequent asthma exacerbations. STUDY DESIGN: Retrospective cohort. METHODS: Administrative data were used to identify patients who met the Healthcare Effectiveness Data and Information Set (HEDIS) criteria for persistent asthma in 2006 and 2007. The following potential surrogate markers of asthma control assessed in 2007 were compared for their ability to predict asthma exacerbations in 2008 (defined as oral corticosteroid dispensing or an asthma hospitalization or emergency department visit): dispensing of any controller, unweighted medication ratio (the ratio of controller to total medication), weighted medication ratio, and the number of short-acting beta-agonist (SABA) canisters dispensed. Weighted medication ratios were weighted for controller potency and for doses per container. RESULTS: Meeting the HEDIS criteria for persistent asthma were 8634 patients (60.5% female) aged 18 to 56 years (mean age, 42.7 years), of whom 6.5% experienced emergency hospital care and 27.3% received oral corticosteroids in 2008. The largest effect size for predicting reduced emergency hospital care was for the number of SABA canisters dispensed (odds ratio [OR], 0.49; 95% confidence interval [CI], 0.40-0.60), followed by the unweighted medication ratio (OR, 0.54; 95% CI, 0.40-0.72), and then the weighted medication ratio (OR, 0.57; 95% CI, 0.45-0.73). Dispensing of any controller was associated with a nonsignificant increased risk of emergency hospital care (OR, 1.41; 95% CI, 0.95-2.09). CONCLUSIONS: The number of SABA canisters dispensed is most strongly related to improved asthma outcomes, followed by the unweighted medication ratio; dispensing of any controller is least related. Health plans can use the number of SABA canisters dispensed and the unweighted medication ratio for asthma population management or for provider quality-of-care assessment to reduce asthma exacerbations, which exact a high economic and humanistic cost. |
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Authors:
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Michael Schatz; Robert S Zeiger; Su-Jan T Yang; Wansu Chen; William W Crawford; Shiva G Sajjan; Felicia Allen-Ramey |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The American journal of managed care Volume: 16 ISSN: 1936-2692 ISO Abbreviation: Am J Manag Care Publication Date: 2010 May |
Date Detail:
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Created Date: 2010-05-17 Completed Date: 2010-08-18 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9613960 Medline TA: Am J Manag Care Country: United States |
Other Details:
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Languages: eng Pagination: 327-33 Citation Subset: H |
Affiliation:
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Department of Allergy, Kaiser Permanente Medical Center, 7060 Clairemont Mesa Blvd, San Diego, CA 92111, USA. michael.x.schatz@kp.org |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Aged Asthma / drug therapy*, physiopathology* Biological Markers* Cohort Studies Databases as Topic* Female Humans Male Managed Care Programs* Middle Aged Retrospective Studies Young Adult |
| Chemical | |
Reg. No./Substance:
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0/Biological Markers |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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