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Reducing the burden of atopic dermatitis
  1. Matthias Wjst
  1. Correspondence to:
    Dr M Wjst
    GSF-Institute of Epidemiology, GSF National Research Center for Environment and Health, Neuherberg, Germany; m{at}

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The study of Moro et al1 deals with the interesting question of whether there is any treatment that may prevent the development of allergy. Their main outcome is atopic dermatitis, where a group comparison between maltodextrin (placebo) and galacto/fructo- oligosaccharides (verum) showed an exact p value of 0.014, as reported in fig 2. I assume that they used a two-sided test for the cumulative incidence of atopic dermatitis, where a single-sided test may have …

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  • Competing interests: None declared.