我们应用简易PEG比浊沉淀法,对苏州(海拔10米),西宁(海拔2260米),天峻(海拔3460米)三个不同海拔地区的正常老年人,进行了免疫复合物(CIC)的检测,现将结果报道如下: 1 检测对象:均为排除冠心病、高血压、慢支炎、肺心病等心肺疾患,肝肾功能正常的健康汉族男性老年人。苏州世居老年人47例,年龄57～78岁,平均66.9±5.29岁;西宁工作生活居住30年以上的移居老人38例,年龄60～77岁,平均66.3±4.52岁;天峻地区工作生活居住20年以上的移居老年人56例,年龄50～63岁,平均56.5±3.33岁。 2 实验方法:在测定管与对照管中各加入受检血清 We used simple PEG turbidimetric method to detect the immune complex (CIC) of normal elderly people in three different altitudes in Suzhou (10 meters above sea level), Xining (2260 meters above sea level) and Tianjun (3460 meters above sea level) Test, the results are reported as follows: 1 test objects: exclude coronary heart disease, hypertension, chronic bronchitis, pulmonary heart disease and other heart and lung disease, normal liver and kidney function of healthy elderly Han men. There were 47 elderly people in Suzhou, aged 57-78 years, with an average of 66.9 ± 5.29 years old. Among them, 38 were elderly living in Xining for more than 30 years, ranging in age from 60 to 77 years with an average of 66.3 ± 4.52 years old. Fifty-six elderly migrants living in more than 20 years, aged from 50 to 63 years old, averaged 56.5 ± 3.33 years of age. 2 experimental methods: in the test tube and control tube were added to the sera tested