Collaborative meta-analysis of randomised trials of antiplatelet therapy for prevention of death, myocardial infarction, and stroke in high risk patients

In this paper by the Antithrombotic Trialists' Collaboration (12 January, p 71) a missing two letters make a world of difference to the meaning of the last sentence. The very last word should be “inappropriate” (rather than “appropriate”), so that the sentence reads: “For most healthy individuals, however, for whom the risk of a vascular event is likely to be substantially less than 1% a year, daily aspirin may well be inappropriate.” We apologise for this error.