Document Detail


Evaluation of cause-of-death statistics for Brazil, 2002-2004.
MedLine Citation:
PMID:  18653516     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Mortality statistics systems with reliable cause-of-death data constitute a major resource for effective health planning; however, many developing countries lack such information systems. Brazil has a long history of registering deaths, and a critical assessment of the quality of current cause-of-death statistics in its five different regions is crucial to identify strengths and weaknesses in the data, and present options for improvement. METHODS: Quality of cause-of-death data from 2002 to 2004 was evaluated using an assessment framework based on four main attributes: generalizability, reliability, validity and policy relevance. A set of nine criteria: coverage, completeness, consistency of cause patterns with general mortality levels, consistency of cause specific mortality proportions over time, content validity, proportion of ill-defined causes and non-specific codes, incorrect or improbable age or sex patterns, timeliness, and geographical disaggregation were used to assess the four attributes of data quality. RESULTS: Completeness of death registration varies from 72 to 80% in the northeast regions, compared with 85-90% in the Southeast and Centre-West regions, and 94-97% in the wealthier South region. The proportion of ill-defined deaths is an important problem in reported causes of death from almost all regions. Lack of adequate evidence limits the assessment of content validity of registered causes of death. Coverage, consistency of causes with general level of mortality, consistency over time, age and sex patterns, timeliness and usability of statistics for subnational purposes were judged to be reasonable and increase confidence in using the statistics. CONCLUSIONS: There is considerable heterogeneity in the quality of cause-of-death statistics across Brazilian regions, especially for criteria such as completeness and ill-defined causes. These factors can influence generalizability and validity of reported causes of death, and must be considered in the interpretation and use of data for secondary descriptive analyses such as burden of disease estimation at regional level, with suitable adjustments to account for bias. The differences identified in this study could be a useful guide for defining measures and investments needed to improve data quality in Brazil.
Authors:
Elisabeth França; Daisy Xavier de Abreu; Chalapati Rao; Alan D Lopez
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Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  International journal of epidemiology     Volume:  37     ISSN:  1464-3685     ISO Abbreviation:  Int J Epidemiol     Publication Date:  2008 Aug 
Date Detail:
Created Date:  2008-07-25     Completed Date:  2009-04-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7802871     Medline TA:  Int J Epidemiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  891-901     Citation Subset:  IM    
Affiliation:
Programa de Pós-graduação em Saúde Pública, UFMG, Belo Horizonte, MG, Brazil.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Brazil / epidemiology
Cause of Death*
Child
Child, Preschool
Communicable Diseases / mortality
Data Interpretation, Statistical*
Developing Countries / statistics & numerical data*
Female
Humans
Infant
Infant, Newborn
Male
Middle Aged
Registries
Research Design / standards
Sensitivity and Specificity
Social Class

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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