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2008, Number 4

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Rev Med Inst Mex Seguro Soc 2008; 46 (4)

Breast Cancer Mortality. Trend and Geographical Distribution, 1981-2001

Aguayo-Alcaraz G, Jiménez-Pérez LM, Celis-de la Rosa A, Canales-Muñoz JL

Language: Spanish
References: 25
Page: 367-374
PDF size: 262.49 Kb.


ABSTRACT

Objective: to describe trend and geographical distribution of breast cancer mortality, in Mexico.
Methods: it was done an ecological and tendency study from 1981 to 2001, 52 739 deaths by breast cancer in women ≥ 20-year-old. Mortality was studied according to the International Classification of Diseases. The data were obtained from the National Institute of Statistics, Geography and Informatics and from the General Census of Population. The period studied was three-yearly. Adjusted rates were calculated with the direct method. It was utilized a lineal regression model for the analysis of mortality tendencies. Map was built from the distribution of the mortality along the country.
Results: the mortality tendency was increased in the first decade and in the second it was maintained stable, with an important drop in four states (p ‹ 0.05). The 66 % of the states had rates over the national adjusted rate, all of them in the north of the country. Nayarit, Guerrero, and Mexico State had an increment of 300 %.
Conclusions: the ascending tendency and stabilization of the mortality is similar to other countries. The north states had the greater rate of mortality, intermediate rates in the middle of country and drops in the south. It is possible that these changes were secondary to environmental, social and medical care factors.


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