Letters

Selective decontamination of the digestive tract

BMJ 1994; 308 doi: https://doi.org/10.1136/bmj.308.6925.410b (Published 05 February 1994) Cite this as: BMJ 1994;308:410
  1. A Liberati

    EDITOR, - M J M Bonten and colleagues agree with us that meta-analysis helps to clarify the methodological quality and clinical consistency of published research.1 They also acknowledge the merits of our recent review of trials of selective decontamination of the digestive tract in making clear important differences in study design, population, and methods that may explain why results of different studies differ.2 They criticise us, however, for using the “number to be treated” as a measure of the effect of …

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