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[Quality of Mortality statistics in Chile, 1997-2003]
M Loreto Núñez F1, M Gloria Icaza N
1Departamento de Salud Pública, Facultad de Ciencias de la Salud, Universidad de Talca, Chile. lnunezf@utalca.cl
Insights
Chilean mortality statistics quality improved between 1997 and 2003, with more physician-led death certifications and fewer ill-defined causes. Further enhancements are needed for optimal public health policy.
Area of Science:
- Public Health
- Epidemiology
- Biostatistics
Background:
- Death certification is crucial for understanding mortality patterns and causes of death.
- Accurate mortality data informs health policy and prevention program planning.
Purpose of the Study:
- To assess the quality of mortality statistics in Chile.
- Evaluation period: 1997 to 2003.
Main Methods:
- Utilized mortality data from the Chilean Ministry of Health (1997-2003).
- Assessed quality by physician certification rates and ill-defined causes.
- Analyzed data by rural/urban residence, medical services, age, and gender.
Main Results:
- Physician death certifications rose from 97.6% to 99.0%, notably in rural areas (89.9% to 94.8%).
- Ill-defined causes decreased from 4.7% to 2.8%.
- Significant variation in ill-defined causes existed across medical services (1.5% to 13.7%).
Conclusions:
- Chilean mortality statistics quality shows improvement over the study period.
- Opportunities remain to enhance data for effective public health applications.
Background:
Death certification is the basis for the study of mortality patterns and the identification of leading causes of death. These data are used for planning health policies and prevention programs.
Aim:
To evaluate the quality of mortality statistics in Chile from 1997 and 2003.
Material And Methods:
Mortality data from 1997 to 2003 available at the Chilean Ministry of Health was used. Quality of information was evaluated using the percentage of certifications done by physicians and ill-defined causes of death according to rural or urban residence, medical services, age and gender.
Results:
Death certification done by physicians increased from 97.6% to 99.0% in the studied period. The greatest increase was observed in rural areas, from 89.9% to 94,8%. There was a steady reduction in the percentage of ill-defined causes of deaths, from 4.7% in 1997 to 2.8% in 2003. The percentage of ill-defined causes had a great variation among the different medical services. The variation went from 1.5% in Magallanes to 13.7% in Araucania Sur. There was an inverse linear correlation between death certification by physicians and ill-defined conditions.
Conclusions:
Quality of Chilean mortality statistics has improved over time. Nevertheless, there is still space for enhancement for the appropriate use of this information.
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