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Research Article

Indirect Comparisons: A Review of Reporting and Methodological Quality

  • Sarah Donegan mail,

    Sarah.Donegan@liverpool.ac.uk

    Affiliation: Centre for Medical Statistics and Health Evaluation, University of Liverpool, Liverpool, United Kingdom

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  • Paula Williamson,

    Affiliation: Centre for Medical Statistics and Health Evaluation, University of Liverpool, Liverpool, United Kingdom

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  • Carrol Gamble,

    Affiliation: Centre for Medical Statistics and Health Evaluation, University of Liverpool, Liverpool, United Kingdom

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  • Catrin Tudur-Smith

    Affiliation: Centre for Medical Statistics and Health Evaluation, University of Liverpool, Liverpool, United Kingdom

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  • Published: November 10, 2010
  • DOI: 10.1371/journal.pone.0011054

About the Authors

Sarah Donegan, Paula Williamson, Carrol Gamble, Catrin Tudur-Smith
Centre for Medical Statistics and Health Evaluation, University of Liverpool, Liverpool, United Kingdom

Corresponding Author

Email: Sarah.Donegan@liverpool.ac.uk

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the paper: SD CTS. Planned a search strategy, developed quality assessment criteria, and designed eligibility, data extraction, and quality assessment forms: SD. Pre-piloted the forms, searched for reviews, assessed eligibility, extracted data, and assessed the quality of indirect comparisons: SD. Summarised the data extracted and the quality assessment and prepared the first version of the review: SD. Proposed the review and provided comments on the manuscript: PW. Discussed ideas: CG. Undertook eligibility assessments, data extraction and quality assessment: CTS.