Journal of Clinical Epidemiology
Volume 57, Issue 11 , Pages 1124-1130 , November 2004

Effect sizes in cumulative meta-analyses of mental health randomized trials evolved over time

  • Thomas A. Trikalinos

      Affiliations

    • Institute for Clinical Care Research and Health Policy Studies, Tufts-New England Medical Center, Tufts University School of Medicine, Boston, MA, USA
    • Clinical Trials and Evidence-Based Medicine Unit, Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina 45110, Greece
    • ,
  • Rachel Churchill

      Affiliations

    • Health Services Research Department, Institute of Psychiatry, London, United Kingdom
    • ,
  • Marica Ferri

      Affiliations

    • Department of Epidemiology of Lazio Region, Rome, Italy
    • ,
  • Stefan Leucht

      Affiliations

    • Department of Psychiatry and Psychotherapy, Technische Universität München, Munich, Germany
    • ,
  • Arja Tuunainen

      Affiliations

    • Department of Psychiatry, University of Helsinki, Lapinlahti Hospital, Helsinki, Finland
    • ,
  • Kristian Wahlbeck

      Affiliations

    • STAKES National Research and Development Center for Welfare and Health, Helsinki, Finland
    • ,
  • John P.A. Ioannidis

      Affiliations

    • Institute for Clinical Care Research and Health Policy Studies, Tufts-New England Medical Center, Tufts University School of Medicine, Boston, MA, USA
    • Clinical Trials and Evidence-Based Medicine Unit, Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina 45110, Greece
    • Corresponding Author InformationCorresponding author. Tel: +30-2651-097807; fax: +30-2651-097867.
    • ,
  • for the EU-PSI project

      Affiliations

    • EU-PSI project membership is listed in the Acknowledgments.

,Accepted 13 February 2004.

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PII: S0895-4356(04)00125-8

doi: 10.1016/j.jclinepi.2004.02.018

Journal of Clinical Epidemiology
Volume 57, Issue 11 , Pages 1124-1130 , November 2004

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