建立我国老年人生理参考值标准是一个非常重要的基础研究课题。近年来,在中华医学会老年医学会的积极倡导下,全国各地相继开展了一些调查,但90岁以上老人的生理参考值报道很少。为此,我们在对北京市西城、海淀两个区303例90岁以上老人普查的基础上,选“一般长寿老人”(即无脊柱、四 It is a very important basic research topic to set up the standard of physiological reference value for the elderly in our country. In recent years, under the active advocacy of the Chinese Medical Association Geriatrics Society, some surveys have been carried out all over the country, but there are few reports on the physiological reference values ​​of the elderly over the age of 90. Therefore, on the basis of the survey of 303 elderly over 90 years old in Xicheng and Haidian district of Beijing, we selected “general longevity elderly” (ie, no spine, four