• The Journal of pediatrics · Oct 2013

    Childhood asthma hospitalizations in the United States, 2000-2009.

    • Kohei Hasegawa, Yusuke Tsugawa, David F M Brown, and Carlos A Camargo.
    • Massachusetts General Hospital, Boston, MA; Harvard Medical School, Boston, MA. Electronic address: khasegawa1@partners.org.
    • J. Pediatr. 2013 Oct 1;163(4):1127-33.e3.

    ObjectiveTo examine temporal trends in the US incidence of childhood asthma hospitalizations, in-hospital mortality, mechanical ventilation use, and hospital charges between 2000 and 2009.Study DesignThis was a serial, cross-sectional analysis of a nationally representative sample of children hospitalized with acute asthma. The Kids Inpatient Database was used to identify children aged <18 years with asthma by International Classification of Diseases, Ninth Revision, Clinical Modification code 493.xx. Outcome measures were asthma hospitalization incidence, in-hospital mortality, mechanical ventilation use, and hospital charges. We examined temporal trends of each outcome, accounting for sampling weights. Hospital charges were adjusted for inflation to 2009 US dollars.ResultsThe 4 separate years (2000, 2003, 2006, and 2009) of national discharge data included a total of 592805 weighted discharges with asthma. Between 2000 and 2009, the rate of asthma hospitalization in US children decreased from 21.1 to 18.4 per 10000 person-years (13% decrease; Ptrend < .001). Mortality declined significantly after adjusting for confounders (OR for comparison of 2009 with 2000, 0.37; 95% CI, 0.17-0.79). In contrast, there was an increase in the use of mechanical ventilation (from 0.8% to 1.0%, a 28% increase; Ptrend < .001). Nationwide hospital charges also increased from $1.27 billion to $1.59 billion (26% increase; Ptrend < .001); this increase was driven by a rise in the geometric mean of hospital charges per discharge, from $5940 to $8410 (42% increase; Ptrend < .001).ConclusionBetween 2000 and 2009, we found significant declines in asthma hospitalization and in-hospital mortality among US children. In contrast, mechanical ventilation use and hospital charges for asthma increased significantly over this same period.Copyright © 2013 Mosby, Inc. All rights reserved.

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