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Is there a lung cancer risk in US coal miners?
  1. Dirk Taeger,
  2. Olaf Hagemeyer,
  3. Rolf Merget,
  4. Thomas Brüning,
  5. Dirk Pallapies
  1. Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr-Universität Bochum (IPA), Bochum, Germany
  1. Correspondence to Dr Dirk Taeger, Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr-Universität Bochum (IPA), Buerkle-de-la-Camp-Platz 1, Bochum 44789, Germany; taeger{at}ipa-dguv.de

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Recently, the 37-years follow-up of the US coal miners’ cohort was published in this journal.1 We would like to comment on the presentation and interpretation of this study, especially on the lung cancer results.

First, the non-significant lung cancer standardised mortality ratio (SMR) does not differ from the SMR after the 23-year follow-up.2 Even the SMRs of the five regions were similar between both follow-ups. Emphasising a ‘significant’ relationship with lung cancer mortality …

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