Vitamin E supplementation may transiently increase tuberculosis risk in males who smoke heavily and have high dietary vitamin C intake – reply by Hemilä Kaprio

Publisher: Cambridge University Press

E-ISSN: 1475-2662|101|1|146-147

ISSN: 0007-1145

Source: British Journal of Nutrition, Vol.101, Iss.1, 2009-01, pp. : 146-147

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Abstract

Randomisation of participants in two study groups leads to groups that have baseline differences accountable by the play of chance. In small trials, the random variation between two study groups can be large, but in large studies the variation is typically small.