Reflection on modern methods: years of life lost due to premature mortality-a versatile and comprehensive measure for monitoring non-communicable disease mortality

被引:107
作者
Martinez, Ramon [1 ]
Soliz, Patricia [2 ]
Caixeta, Roberta [1 ]
Ordunez, Pedro [1 ]
机构
[1] Pan Amer Hlth Org, Dept Noncommunicable Dis & Mental Hlth, 525 23rd St NW, Washington, DC 20037 USA
[2] Pan Amer Hlth Org, Dept Evidence & Intelligence Act Hlth, Washington, DC 20037 USA
关键词
Mortality; premature; epidemiological method; non-communicable diseases; public health surveillance;
D O I
10.1093/ije/dyy254
中图分类号
R1 [预防医学、卫生学];
学科分类号
100235 [预防医学];
摘要
The analysis of causes impacting on premature mortality is an essential function of public health surveillance. Diverse methods have been used for accurately assessing and reporting the level and trends of premature mortality; however, many have important limitations, particularly in capturing actual early deaths. We argue that the framework of years of life lost (YLL), as conceptualized in disability-adjusted life-years (DALYs), is a robust and comprehensive measure of premature mortality. Global Burden of Disease study is systematically providing estimates of YLL; however, it is not widely adopted at country level, among other reasons because its conceptual and methodological bases seem to be not sufficiently known and understood. In this paper, we provide the concepts and the methodology of the YLL framework, including the selection of the loss of function that defines the time lost due to premature deaths, and detailed methods for calculating YLL metrics. We also illustrate how to use YLL to quantify the level and trends of premature non-communicable disease (NCD) mortality in the Americas. The tutorial style of the illustrative example is intended to educate the public health community and stimulate the use of YLL in disease prevention and control programmes at different levels.
引用
收藏
页码:1367 / 1376
页数:10
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