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Vol. 144, No. 2, 2007
Issue release date: September 2007
Section title: Original Paper
Int Arch Allergy Immunol 2007;144:128–136
(DOI:10.1159/000103224)

Hospitalizations for Anaphylaxis in Florida: Epidemiologic Analysis of a Population-Based Dataset

Mulla Z.D.a · Simon M.R.b
aDivision of Epidemiology, The University of Texas School of Public Health at Houston, and Department of Obstetrics and Gynecology, Texas Tech University Health Sciences Center School of Medicine at El Paso, El Paso, Tex., b Division of Allergy and Immunology, William Beaumont Hospital, Royal Oak, Mich., Asthma Allergy Care Center, Ypsilanti, Mich., and Departments of Internal Medicine and Pediatrics, Wayne State University School of Medicine, Detroit, Mich., USA

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 7/6/2006
Accepted: 3/14/2007
Published online: 5/25/2007
Issue release date: September 2007

Number of Print Pages: 9
Number of Figures: 1
Number of Tables: 7

ISSN: 1018-2438 (Print)
eISSN: 1423-0097 (Online)

For additional information: http://www.karger.com/IAA

Abstract

Background: Previous epidemiologic studies of anaphylaxis have been single-institution investigations. The objective of this study was to determine the annual hospital discharge rate and risk factors for anaphylaxis outcomes throughout Florida. Methods: 464 patients who were hospitalized in Florida for anaphylaxis and discharged in 2001 were identified using a statewide database and ICD-9-CM (International Classification of Diseases, 9th revision, Clinical Modification) codes. Linear regression was used to determine the predictors of length of stay (LOS) and total charges. Relative risks (RR) for ventilator-assisted respiration and anaphylaxis due to food were calculated using binomial regression. Results: Annual hospital discharge rate for anaphylaxis was 2.8/100,000 population. Hospital mortality rate was 0.86%. Median LOS was 1 day. Median total charges was USD 4,982. Asthmatics had increased risk of receiving ventilator-assisted respiration (adjusted RR = 2.72, p = 0.04). Likelihood of hospitalization for anaphylaxis increased with age for both sexes (p < 0.0001). Patients who were <18 years old were three times as likely to be hospitalized for food anaphylaxis (versus other causes) compared to patients who were 71+ years old (adjusted RR = 3.25, p = 0.004). Conclusion: Young age was associated with increased risk of hospitalization for anaphylaxis to foods. Asthmatics had increased risk of receiving ventilator-assisted respiration. Likelihood of hospitalization increased with age.

© 2007 S. Karger AG, Basel


  

Author Contacts

Correspondence to: Prof. Zuber D. Mulla
Department of Obstetrics and Gynecology
Texas Tech University Health Sciences Center School of Medicine at El Paso
4800 Alberta Avenue, El Paso, TX 79905 (USA)
Tel. +1 915 545 6611, ext. 230, Fax +1 915 545 6946, E-Mail zuber.mulla@ttuhsc.edu

  

Article Information

Received: July 6, 2006
Accepted after revision: March 14, 2007
Published online: May 25, 2007
Number of Print Pages : 9
Number of Figures : 1, Number of Tables : 7, Number of References : 14

  

Publication Details

International Archives of Allergy and Immunology

Vol. 144, No. 2, Year 2007 (Cover Date: September 2007)

Journal Editor: Valenta, R. (Vienna)
ISSN: 1018–2438 (print), 1423–0097 (Online)

For additional information: http://www.karger.com/IAA


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 7/6/2006
Accepted: 3/14/2007
Published online: 5/25/2007
Issue release date: September 2007

Number of Print Pages: 9
Number of Figures: 1
Number of Tables: 7

ISSN: 1018-2438 (Print)
eISSN: 1423-0097 (Online)

For additional information: http://www.karger.com/IAA


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