Letters β blockers

Misuse of confidence intervals threatens conclusions

BMJ 2007; 334 doi: https://doi.org/10.1136/bmj.39212.685637.3A (Published 17 May 2007) Cite this as: BMJ 2007;334:1020
  1. Christopher J Cates, general practitioner
  1. Manor View Practice, Bushey WD23 2NN
  1. chris.cates{at}nhs.net

    The data presented in table 1 of Ong's review leave considerable uncertainty about whether atenolol is better or worse than other β blockers.1 The confidence intervals for …

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