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呼吸道感染好发于老年人,并往往导致相关疾病发病率、死亡率增加,和大量消耗健康资源。而补充维生素 E将有助于改善老年人免疫反应,然而就其临床意义远未清楚。作者拟就补充为期1年的维生素 E 与老年人呼吸道感染间关系进行了分析。对象与方法共纳入33所医疗中心的617例老年人,年龄均>65岁。研究中分为随机双盲服用维生素 E200IU/d的治疗组311例,或仅服安慰剂(仅含维生素 FAIU/d)的对照组306例,用药随访1年。其中共有451例[73%,治疗组37%(231例),对照组36%(220例)]完成了历时1年的随访观察。旨在观察分析两组间1年内呼吸道感染危
Respiratory infections occur in the elderly and often result in morbidity, mortality, and consumption of health-related resources. Vitamin E supplement will help to improve the immune response in the elderly, but its clinical significance is far from clear. The author intends to add a one-year supplement of vitamin E and elderly respiratory infections were analyzed. Subjects and Methods A total of 617 elderly people aged> 65 years were enrolled in 33 medical centers. The study was divided into a randomized double-blind treatment group with vitamin E200IU / d 311 cases, or placebo (vitamin FAIU / d only) control group of 306 patients, followed up for 1 year. A total of 451 patients [73%, 37% in the treatment group (231 patients) and 36% (220 patients in the control group)] completed a one-year follow-up. To observe and analyze the risk of respiratory tract infection within one year between the two groups