一项关于维生素C预防和改善普通感冒的随机对照试验。
A randomized controlled trial of vitamin C in the prevention and amelioration of the common cold.
作者信息
Elwood P C, Lee H P, St Leger A S, Baird M, Howard A N
出版信息
Br J Prev Soc Med. 1976 Sep;30(3):193-6. doi: 10.1136/jech.30.3.193.
Abstract
A randomized controlled trial of the effect of 1 g ascorbic acid per day in the prevention of the common cold was conducted on 688 adult women. There is evidence of a small reduction by vitamin C in the mean number of chest colds, but no evidence of any effect on simple colds. The existence of a subgroup of vulnerable women in the community who benefit from vitamin C was considered but further examination of the data gives no support to this conclusion.
摘要
对688名成年女性进行了一项随机对照试验，以研究每日服用1克抗坏血酸预防普通感冒的效果。有证据表明维生素C使胸部感冒的平均次数略有减少，但没有证据表明对普通感冒有任何作用。曾考虑社区中存在从维生素C中受益的易患病女性亚组，但对数据的进一步分析不支持这一结论。
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