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Journal impact factors for 2004: another rise for Thorax
  1. J A Wedzicha,
  2. S L Johnston,
  3. D M Mitchell
  1. Thorax Editorial Office
  1. Correspondence to:
    Professor J A Wedzicha
    Thorax Editorial Office, BMA House, Tavistock Square, London WC1H 9JR, UK;

Statistics from

The impact factor for Thorax continues to rise

The journal impact factors for the year 2004 have recently been announced. The impact factor reflects the number of citations in 2004 to the number of original papers and reviews published in Thorax in 2002 and 2003. We are very pleased to let all our readers know that the impact factor for Thorax has risen from 4.188 in 2003 to 5.040 in 2004. Thorax is the second highest ranked respiratory journal in terms of impact factor, behind the American Journal of Respiratory and Critical Care Medicine. The impact factors for the main respiratory journals are listed in table 1.

Table 1

 Journal impact factors for 2004: respiratory journals

The impact factor for Thorax has risen over the last few years and this reflects the high quality original papers and reviews we have received for publication.1,2 In 2002 and 2003 we also published useful management guidelines for common conditions including the new British Thoracic Society (BTS)/Scottish Intercollegiate Guidelines Network (SIGN) guidelines for the management of asthma in February 2003,3,4 and BTS guidelines for the management of community acquired pneumonia in children,5 the use of non-invasive ventilation in acute respiratory failure,6 guidelines on air travel,7 the management of pulmonary embolism,8,9 the management of pleural disease,10 and on respiratory aspects of fitness for diving.11

Over the past few years we have seen a marked rise in submissions to the journal, especially of high quality original papers,12 and we very much urge you to continue to send us your best papers. The increase in the impact factor reflects the success of the journal, and the future for Thorax is very good indeed.

The impact factor for Thorax continues to rise


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