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作者对作为高龄者免疫流行病研究重要一环的淋巴细胞植物血凝素(PHA)反应与死亡率的关系进行了研究。作者的研究对象是64岁～94岁的131名高龄者,其中男性33名(年龄68～93岁,平均80.8岁),女性98名(年龄64～94岁,平均80.6岁),对其末梢血淋巴细胞的PHA 反应进行了测定。将上述高龄组与20～29岁低龄组的检测结果相比较,高龄组的淋巴细胞PHA 反应显著低于低年龄组.
The authors investigated the association of lymphocytic lectin (PHA) response and mortality as an important part of immunological epidemiology in the elderly. The study was conducted on 131 elderly people aged 64 to 94 years, of whom 33 (68-93 years old, average 80.8 years) and 98 women (64-94 years old, mean 80.6 years) The PHA response of lymphocytes was measured. Compared with the results of the younger age group from 20 to 29, the PHA response of lymphocytes in the senior age group was significantly lower than that in the lower age group.