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papers

Health of Medicare Advantage plan enrollees at 1 year after Hurricane Katrina

Published: January 1, 2009
Category: Papers
Authors: Burton LC, Clark R, Leff B, Lemke KW, Lieberman R, Skinner EA, Uscher-Pines L, Weiner JP, Yu Q
Country: United States
Language: null
Type: Care Management
Settings: Academic, Government

Am J Manag Care 15:13-22.

Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA

OBJECTIVE: To assess the effects of Hurricane Katrina on mortality, morbidity, disease prevalence, and service utilization during 1 year in a cohort of 20,612 older adults who were living in New Orleans, Louisiana, before the disaster and who were enrolled in a managed care organization (MCO).

STUDY DESIGN: Observational study comparing mortality, morbidity, and service use for 1 year before and after Hurricane Katrina, augmented by a stratified random sample of 303 enrollees who participated in a telephone survey after Hurricane Katrina.

METHODS: Sources of data for health and service use were MCO claims. Mortality was based on reports to the MCO from the Centers for Medicare & Medicaid Services; morbidity was measured using adjusted clinical groups case-mix methods derived from diagnoses in ambulatory and hospital claims data.

RESULTS: Mortality in the year following Hurricane Katrina was not significantly elevated (4.3% before vs 4.9% after the hurricane). However, overall morbidity increased by 12.6% (P .001) compared with a 3.4% increase among a national sample of Medicare managed care enrollees. Nonwhite subjects from Orleans Parish experienced a morbidity increase of 15.9% (P <.01). The prevalence of numerous treated medical conditions increased, and emergency department visits and hospitalizations remained significantly elevated during the year.

CONCLUSIONS: The enormous health burden experienced by older individuals and the disruptions in service utilization reveal the long-term effects of Hurricane Katrina on this vulnerable population. Although quick rebuilding of the provider network may have attenuated more severe health outcomes for this managed care population, new policies must be introduced to deal with the health consequences of a major disaster.

PMID: 19146360

Total Disease Burden,Outcome Measures,Mortality Prediction,Resource Utilization,United States,Aged,80 and over,Cohort Studies,Cyclonic Storms,Gender,Health Status,New Orleans/epidemiology,Untied States/epidemiology

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