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Mostrando publicaciones 1-6 de 6
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Blinding in physical therapy trials and its association with treatment effects: A meta-epidemiological study
Fuentes-Contreras, Jorge; Armijo-Olivo, Susan; Da Costa, Bruno; Saltaji, Humam; Ha, Christine; Cummings, Greta G. (2017)Objective: The aim of this study was to examine whether blinding of participants, assessors, health providers, and statisticians have an effect on treatment effect estimates in physical therapy (PT) trials. Design: This ...
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Does type of sponsorship of randomized controlled trials influence treatment effect size estimates in rehabilitation: a meta-epidemiological study
Fuentes-Contreras, Jorge; Armijo-Olivo, Susan; Da Costa, Bruno; Ha, Christine; Saltaji, Humam; Arenti, Chiara; Negrini, Stefano; Cummings, Greta G. (2020)Background: Sponsorship bias could affect research results to inform decision makers when using the results of these trials. The extent to which sponsorship bias affect results in the field of physical therapy has been ...
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Identifying items to assess methodological quality in physical therapy trials: A factor analysis
Armijo-Olivo, Susan; Cummings, Greta G.; Fuentes-Contreras, Jorge; Saltaji, Humam; Ha, Christine; Chisholm, Annabritt; Pasichnyk, Dion; Rogers, Todd (2014)Background. Numerous tools and individual items have been proposed to assess the methodological quality of randomized controlled trials (RCTs). The frequency of use of these items varies according to health area, which ...
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PEDro or Cochrane to assess the quality of clinical trials? A meta-epidemiological study
Fuentes-Contreras, Jorge; Armijo-Olivo, Susan; Da Costa, Bruno; Cummings, Greta G.; Ha, Christine; Saltaji, Humam; Egger, Matthias (2015)Objective: There is debate on how the methodological quality of clinical trials should be assessed. We compared trials of physical therapy (PT) judged to be of adequate quality based on summary scores from the Physiotherapy ...
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Poor reliability between Cochrane reviewers and blinded external reviewers when applying the Cochrane risk of bias tool in physical therapy trials
Armijo-Olivo, Susan; Ospina, Maria; Da Costa, Bruno; Egger, Matthias; Saltaji, Humam; Fuentes-Contreras, Jorge; Ha, Christine; Cummings, Greta G. (2014)Objectives: To test the inter-rater reliability of the RoB tool applied to Physical Therapy (PT) trials by comparing ratings from Cochrane review authors with those of blinded external reviewers. Methods: Randomized ...
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What is the influence of randomisation sequence generation and allocation concealment on treatment effects of physical therapy trials? A meta-epidemiological study
Armijo-Olivo, Susan; Fuentes-Contreras, Jorge; Saltaji, Humam; Da Costa, Bruno; Ha, Christine; Cummings, Greta G. (2015)Objective: To determine if adequacy of randomisation and allocation concealment is associated with changes in effect sizes (ES) when comparing physical therapy (PT) trials with and without these methodological characteristics. ...