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在评价居民健康状况时，由于平均期望寿命指标仅综合了死亡的信息，未反映疾病状况，更未涉及疾病结果的严重性’“；只反映生存时间的长短，无法反映生存质量而有一定的局限性。国外学者于70年代就提出有关健康预期寿命的概念，并对其研究方法和计算过程做了大量工作；国内研
When assessing residents’ health status, because the average life expectancy index only integrates the information of death, it does not reflect the disease status, and it does not involve the severity of the disease outcome, which only reflects the length of survival time, and does not reflect the quality of life but has certain Limitations Foreign scholars put forward the concept of healthy life expectancy in the 1970s, and did a lot of work on its research methods and calculation processes;