BLSA POPULATION DYNAMICS

曾在巴尔的摩纵向报学习过的参与者总数 老龄化研究(BLSA)达到2018年：1106名活跃参与者，415名非活跃参与者， 死亡497人。BLSA人口动态指的是最优管理和 对总人口的科学描述。 我们即将达到1987年设定的样本量目标，并基于 过去的自然减员。这个样本量对30名男性进行了12年的跟踪调查 年龄从20岁到70岁每十年30名女性，并对 那些80多岁的人S。我们正在研究人口统计上的主要差异 自1978年以来加入这项研究的BLSA男性和女性，并比较 样本在人口统计方面符合国家统计数据和其他纵向统计数据 学习。 在最近提交的一份手稿中，BLSA男性的死亡模式 被描述并与美国白人男性进行了比较 死亡、死亡率和长寿的主要原因。我们将参加一个 1990年美国老年学会专题讨论会与 来自杜克大学、弗雷明翰大学和波士顿大学的科学家进行纵向研究 比较我们的四项研究和美国的死亡率模式。 作为BLSA尸检计划一部分进行的尸检比率开始 在1986年，有所增加。在17例尸检中，近一半是在 这个项目是在1990年完成的。

The total number of participants ever studied in the Baltimore Longitudinal Study of Aging (BLSA) reached 2018: 1106 active participants, 415 inactive, and 497 deceased. BLSA Population Dynamics refers to optimal management and scientific description of the total population. We are close to reaching our sample size goal set in 1987, and based on past attrition. This sample size provides for 12-year follow-up of 30 men and 30 women in each age decade from 20 through 70, and 6-year follow-up of those in their 80's. We are examining key differences in the demographics of the BLSA men and women who joined the Study since 1978, and comparing the sample demographically to national statistics and other longitudinal studies. In a recently submitted manuscript, mortality patterns in the BLSA males were described and compared with those of U.S. white males regarding leading causes of death, death rates, and longevity. We will take part in a symposium at the 1990 Gerontological Society of America meetings with scientists from the Duke, Framingham, and Boston V.A. longitudinal studies to compare mortality patterns in our four studies and the U.S. The rate of autopsies performed as part of the BLSA autopsy program, begun in 1986, has increased. Almost half of the 17 autopsies performed under this program have been done in 1990.