研究表明,老年人红细胞C_3b受体花环率和红细胞免疫复合物花环率均明显降低,红细胞免疫粘连抑制因子活性升高,而增强因子活性则下降,循环免疫复合物含量明显上升,C_3水平显著下降,各指标与青年人相比,差异显著(P<0.001)。服用黄芪后,老年人红细胞免疫功能得到明显的加强,上述指标均获得明显改善,与用药前相比,有显著差异(P<0.001)。 Studies have shown that the red blood cell C_3b receptor rosette rate and rosette rate of red blood cell immune complex rose significantly in the elderly, and the activity of red blood cell immune adhesion inhibitory factor increased, while the activity of enhancer factor decreased, the circulating immune complex content increased significantly, and the level of C_3 decreased significantly. The differences between the indicators and young people were significant (P<0.001). After taking jaundice, the red cell immune function of the elderly was significantly enhanced, and the above indicators were significantly improved, compared with before treatment, there was a significant difference (P <0.001).