Incomplete Reporting of Baseline Characteristics in Clinical Trials: An Analysis of Randomized Controlled Trials and Systematic Reviews Involving Patients with Chronic Low Back Pain

• Maria M. Wertli ,

  * E-mail: Maria.Wertli@usz.ch

  Affiliation Horten Center for Patient Oriented Research and Knowledge Transfer, Department of Internal Medicine, University of Zurich, Zurich, Switzerland

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• Manuela Schöb,

  Affiliation Horten Center for Patient Oriented Research and Knowledge Transfer, Department of Internal Medicine, University of Zurich, Zurich, Switzerland

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• Florian Brunner,

  Affiliation Department of Physical Medicine and Rheumatology, Balgrist University Hospital, Zurich, Switzerland

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• Johann Steurer

  Affiliation Horten Center for Patient Oriented Research and Knowledge Transfer, Department of Internal Medicine, University of Zurich, Zurich, Switzerland

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