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Mostrando publicaciones 1-16 de 16
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A preliminary investigation into the effects of active interferential current therapy and placebo on pressure pain sensitivity: A random crossover placebo controlled study
Fuentes-Contreras, Jorge; Armijo-Olivo, Susan; Magee, David J.; Gross, Douglas P. (2011)Objective (1) To determine the effect of active and placebo interferential current on muscle pain sensitivity using an experimental mechanically induced pain model. (2) To evaluate the predictive role of expectations, ...
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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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Clinical relevance vs. statistical significance: Using neck outcomes in patients with temporomandibular disorders as an example
Armijo-Olivo, Susan; Warren, Sharon; Fuentes-Contreras, Jorge; Magee, David J. (2011)Statistical significance has been used extensively to evaluate the results of research studies. Nevertheless, it offers only limited information to clinicians. The assessment of clinical relevance can facilitate the ...
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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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Enhanced therapeutic alliance modulates pain intensity and muscle pain sensitivity in patients with chronic low back pain: An experimental controlled study
Fuentes-Contreras, Jorge; Armijo-Olivo, Susan; Funabashi, Martha; Miciak, Maxi; Dick, Bruce; Warren, Sharon; Rashiq, Saifee; Magee, David J.; Gross, Douglas P. (2014)Background: Physical therapy influences chronic pain by means of the specific ingredient of an intervention as well as contextual factors including the setting and therapeutic alliance (TA) between provider and patient. ...
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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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Inconsistency in the items included in tools used in general health research and physical therapy to evaluate the methodological quality of randomized controlled trials: A descriptive analysis
Fuentes-Contreras, Jorge; Armijo-Olivo, Susan; Ospina, Maria; Saltaji, Humam; Hartling, Lisa (2013)Background: Assessing the risk of bias of randomized controlled trials (RCTs) is crucial to understand how biases affect treatment effect estimates. A number of tools have been developed to evaluate risk of bias of RCTs; ...
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Non-pharmacological cancer pain interventions in populations with social disparities: A systematic review and meta-analysis
Fuentes-Contreras, Jorge; Santos-Sala, Anna; Armijo-Olivo, Susan; Saltaji, Humam; Watanabe, Sharon; Chambers, Thane; Walter, Lori; Cummings, Greta G. (2016)Introduction: Global advances in pain relief have improved the quality of life of cancer populations. Yet, variation in cancer pain outcomes has been found in populations with social disparities compared to mainstream ...
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Patients with temporomandibular disorders have increased fatigability of the cervical extensor muscles
Armijo-Olivo, Susan; Silvestre, Rony A.; Fuentes-Contreras, Jorge; Da Costa, Bruno; Major, Paul W.; Warren, Sharon; Thie, Norman M. R.; Magee, David J. (2012)Objectives To determine whether patients with myogenous and mixed temporomandibular disorders (TMD) have greater fatigability of the cervical extensor muscles while performing a neck extensor muscle endurance test (NEMET) ...
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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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Performance, detection, contamination, compliance, and cointervention biases in rehabilitation research what are they and how can they affect the results of randomized controlled trials? basic information for junior researchers and clinicians
Armijo-Olivo, Susan; Mohamad, Norazlin; Sobral de Oliveira-Souza, Ana Izabela; Castro-Carletti, Ester Moreira de; Ballenberger, Nikolaus; Fuentes-Contreras, Jorge (2022)Bias is a systematic error that can cause distorted results leading to incorrect conclusions. Intervention bias (i.e., contamination bias, cointervention bias, compliance bias, and performance bias) and detection bias are ...
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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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Selection, confounding, and attrition biases in randomized controlled trials of rehabilitation interventions
Armijo-Olivo, Susan; Sobral de Oliveira-Souza, Ana Izabela; Mohamad, Norazlin; Castro-Carletti, Ester Moreira de; Ballenberger, Nikolaus; Fuentes-Contreras, Jorge (2022)A thorough knowledge of biases in intervention studies and how they influence study results is essential for the practice of evidence-based medicine. The objective of this review was to provide a basic knowledge and ...
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Traumatic injury and multiple sclerosis: A systematic review and meta-analysis
Warren, Sharon; Armijo-Olivo, Susan; Fuentes-Contreras, Jorge; Turpin, Karen V. L.; Gross, Douglas P.; Carroll, Linda J.; Warren, Kenneth G. (2013)A systematic review/meta-analysis of literature addressing a possible association between traumatic injury and onset of multiple sclerosis was conducted. Medline, Embase, Cochrane DSR, Ovid HealthStar, CINAHL, ISI Web of ...
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Usage patterns and beliefs about therapeutic ultrasound by canadian physical therapists: An exploratory population-based cross-sectional survey
Armijo-Olivo, Susan; Fuentes-Contreras, Jorge; Muir, Iain; Gross, Douglas P. (2013)Purpose: To explore the frequency and patterns of ultrasound (US) usage among physical therapists, to describe the most common purposes for using therapeutic US, and to investigate beliefs about therapeutic US. Methods: A ...
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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. ...