Zuber D Mulla1, Michael R Simon. 1. Division of Epidemiology, The University of Texas School of Public Health at Houston, Tex., USA. zuber.mulla@ttuhsc.edu
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
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
Authors: Joshua A Boyce; Amal Assa'ad; A Wesley Burks; Stacie M Jones; Hugh A Sampson; Robert A Wood; Marshall Plaut; Susan F Cooper; Matthew J Fenton; S Hasan Arshad; Sami L Bahna; Lisa A Beck; Carol Byrd-Bredbenner; Carlos A Camargo; Lawrence Eichenfield; Glenn T Furuta; Jon M Hanifin; Carol Jones; Monica Kraft; Bruce D Levy; Phil Lieberman; Stefano Luccioli; Kathleen M McCall; Lynda C Schneider; Ronald A Simon; F Estelle R Simons; Stephen J Teach; Barbara P Yawn; Julie M Schwaninger Journal: J Allergy Clin Immunol Date: 2010-12 Impact factor: 10.793
Authors: Caroline J Lodge; Katrina J Allen; Adrian J Lowe; Shyamali C Dharmage Journal: Int J Environ Res Public Health Date: 2013-11-04 Impact factor: 3.390