Journal article

Exploring threats to generalisability in a large international rehabilitation trial (AVERT)

J Bernhardt, A Raffelt, L Churilov, RI Lindley, S Speare, J Ancliffe, MA Katijjahbe, S Hameed, S Lennon, A McRae, D Tan, J Quiney, HC Williamson, J Collier, HM Dewey, GA Donnan, P Langhorne, AG Thrift

BMJ Open | BMJ PUBLISHING GROUP | Published : 2015

Abstract

Objective: The purpose of this paper is to examine potential threats to generalisability of the results of a multicentre randomised controlled trial using data from A Very Early Rehabilitation Trial (AVERT). Design: AVERT is a prospective, parallel group, assessor-blinded randomised clinical trial. This paper presents data assessing the generalisability of AVERT. Setting: Acute stroke units at 44 hospitals in 8 countries. Participants: The first 20 000 patients screened for AVERT, of whom 1158 were recruited and randomised. Model: We use the Proximal Similarity Model, which considers the person, place, and setting and practice, as a framework for considering generalisability. As well as comp..

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