红细胞在全血中所占有容积(即红细胞压积)反映了红细胞的浓度,它直接关系着全血粘度和血液流变性。近2年,我们对433例男性老年前期和老年期的红细胞压积进行了观察,结果报告如下: 对象与方法省直机关在职和离退休干部,男性433例,其中:60岁以上252例;45～ The volume occupied by red blood cells in whole blood (ie, hematocrit) reflects the concentration of red blood cells, which is directly related to the viscosity of whole blood and the hemorheology. In the past two years, we observed the hematocrit of 433 pre-senile and elderly men, and the results were reported as follows: Subjects and Methods Provincial-government organs and retired cadres, 433 males, of whom 252 were over the age of 60; 45 ~