Document Detail


Morbidity and mortality due to ascariasis: re-estimation and sensitivity analysis of global numbers at risk.
MedLine Citation:
PMID:  9236818     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This paper presents estimates of the global numbers of people at risk from morbidity related to infection with Ascaris lumbricoides and the numbers of deaths from this infection. Morbidity is classified into 4 types: deficits in growth and fitness which are contemporaneous with infection, or permanent, overt acute illness of mild to moderate severity, and complications involving hospitalization. The estimation of morbidity is based on theoretical models of parasite distributions developed in previous papers. A sensitivity analysis is carried out in which parameters of the model are varied using a Latin hypercube sampling technique. The results estimate approximately 1300 million infections globally with 59 million at risk of some morbidity. The estimate for acute illness is 12 million cases per year with approximately 10,000 deaths. Most morbidity is in children. Sensitivity analysis suggests that infection estimates will not vary greatly with changes in parameter values but that morbidity estimates may be highly variable.
Authors:
N R de Silva; M S Chan; D A Bundy
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Tropical medicine & international health : TM & IH     Volume:  2     ISSN:  1360-2276     ISO Abbreviation:  Trop. Med. Int. Health     Publication Date:  1997 Jun 
Date Detail:
Created Date:  1997-08-08     Completed Date:  1997-08-08     Revised Date:  2010-08-25    
Medline Journal Info:
Nlm Unique ID:  9610576     Medline TA:  Trop Med Int Health     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  519-28     Citation Subset:  IM    
Affiliation:
Wellcome Trust Centre for the Epidemiology of Infectious Disease, University of Oxford, UK.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Animals
Ascariasis / complications,  epidemiology*,  mortality
Ascaris lumbricoides*
Child
Child, Preschool
Humans
Infant
Models, Biological
Morbidity
Regression Analysis
Sensitivity and Specificity
Grant Support
ID/Acronym/Agency:
//Wellcome Trust

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