OBJECTIVES: (1) To develop trial protocols which promote the achievement of blind outcome assessment. (2) To report outcome assessor beliefs regarding group allocation at follow-up assessments. (3) To document and describe instances of unblinding occurring during the trial to assist and inform rehabilitation researchers and clinicians. DESIGN: Prospective longitudinal observational study. SETTING: An NHS Hospital Trust specializing in orthopaedic surgery. SUBJECTS: One hundred and seven pati...Expand abstract
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Blind outcome assessment: the development and use of procedures to maintain and describe blinding in a pragmatic physiotherapy rehabilitation trial.
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