Lubitz James, Cai Liming, Kramarow Ellen, Lentzner Harold
Office of Analysis, Epidemiology, and Health Promotion, National Center for Health Statistics, Centers for Disease Control and Prevention, Hyattsville, MD 20782, USA.
N Engl J Med. 2003 Sep 11;349(11):1048-55. doi: 10.1056/NEJMsa020614.
Life expectancy among the elderly has been improving for many decades, and there is evidence that health among the elderly is also improving. We estimated the relation of health status at 70 years of age to life expectancy and to cumulative health care expenditures from the age of 70 until death.
Using the 1992-1998 Medicare Current Beneficiary Survey, we classified persons' health according to functional status and whether or not they were institutionalized and according to self-reported health. We used multistate life-table methods and microsimulation to estimate life expectancy for persons in various states of health. We linked annual health care expenditures with transitions between health states.
Elderly persons in better health had a longer life expectancy than those in poorer health but had similar cumulative health care expenditures until death. A person with no functional limitation at 70 years of age had a life expectancy of 14.3 years and expected cumulative health care expenditures of about 136,000 dollars (in 1998 dollars); a person with a limitation in at least one activity of daily living had a life expectancy of 11.6 years and expected cumulative expenditures of about 145,000 dollars. Expenditures varied little according to self-reported health at the age of 70. Persons who were institutionalized at the age of 70 had cumulative expenditures that were much higher than those for persons who were not institutionalized.
The expected cumulative health expenditures for healthier elderly persons, despite their greater longevity, were similar to those for less healthy persons. Health-promotion efforts aimed at persons under 65 years of age may improve the health and longevity of the elderly without increasing health expenditures.
几十年来老年人的预期寿命一直在提高,并且有证据表明老年人的健康状况也在改善。我们估计了70岁时的健康状况与预期寿命以及从70岁到死亡的累计医疗保健支出之间的关系。
利用1992 - 1998年医疗保险当前受益人调查,我们根据功能状态、是否入住机构以及自我报告的健康状况对人们的健康进行分类。我们使用多状态生命表方法和微观模拟来估计处于不同健康状态的人的预期寿命。我们将年度医疗保健支出与健康状态之间的转变联系起来。
健康状况较好的老年人比健康状况较差的老年人预期寿命更长,但直到死亡时的累计医疗保健支出相似。70岁时无功能限制的人预期寿命为14.3年,预期累计医疗保健支出约为136,000美元(按1998年美元计算);至少一项日常生活活动受限的人预期寿命为11.6年,预期累计支出约为145,000美元。根据70岁时自我报告的健康状况,支出变化不大。70岁时入住机构的人的累计支出远高于未入住机构的人。
尽管健康状况较好的老年人寿命更长,但他们预期的累计医疗支出与健康状况较差的老年人相似。针对65岁以下人群的健康促进努力可能会改善老年人的健康和寿命,而不会增加医疗支出。