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. 2020 Mar-Apr;62(2):181-185.
doi: 10.21149/10635.

Evaluation of Mexico's low cancer mortality using two national death registries

Susana Lozano-Esparza  1 , Dalia Stern  1 , Juan Eugenio Hernández-Ávila  2 , Evangelina Morales-Carmona  2 , Alejandro Mohar  3 , Martín Lajous  1   4
Affiliations

Evaluation of Mexico's low cancer mortality using two national death registries

Susana Lozano-Esparza et al. Salud Publica Mex. 2020 Mar-Apr.

Abstract
in English, Spanish

Objective: To compare cancer mortality rates in Mexico from two national death registries that independently code and attribute cause of death.

Materials and methods: We compared 5-year age-standardized total cancer and sitespecific cancer mortality rates (2010-2014) from Mexico's official death registry with a death registry from a disease surveillance system. We obtained age-adjusted mortality rates and 95% confidence intervals using the direct method and World Population Prospects 2010 as a standard.

Results: Cancer mortality estimates for Mexico were minimally affected by the use of two distinct death certificate-coding procedures. Cancer mortality was 73.3 for Instituto Nacional de Estadística y Geografía and 72.7 for System for Epidemiologic Death Statistics per 100 000 women. The corresponding estimates for men were 68.3 and 67.8.

Conclusions: Mexico's low cancer mortality is unlikely to be explained by death certificate processing. Further investigations into the process of death certification and cancer registration should be conducted in Mexico.

Objetivo: Comparar la mortalidad por cáncer en México a partir de dos registros de mortalidad nacionales.

Material y métodos: Se comparó la tasa de mortalidad estandarizada por edad para cáncer total y por sitio específico (2010-2014) utilizando dos fuentes con diferentes métodos de procesamiento de información. Se obtuvieron tasas estandarizadas e intervalos de confianza al 95% utilizando el método directo y como población estándar el World Population Prospects 2010.

Resultados: Las tasas de mortalidad no se vieron afectadas por métodos distintos para procesar información. La mortalidad por cáncer en mujeres fue de 73.3 por cada 100 000 en el Instituto Nacional de Estadística y Geografía y 72.7 en el Subsistema Epidemiológico y Estadístico de Defunciones. Las estimaciones para hombres fueron 68.3 and 67.8, respectivamente.

Conclusiones: Es poco probable que la baja mortalidad por cáncer en México se explique por el procesamiento de la información. Es necesario realizar estudios enfocados en el proceso de certificación y registro de muerte por cáncer.

Keywords: Mexico; cancer; mortality; mortality registries.

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Conflict of interest statement

Declaration of conflict of interests. The authors declare that they have no conflict of interests.

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