The methods of the retrieved papers were extracted and reviewed i

The methods of the retrieved papers were extracted and reviewed independently by two reviewers (RS and EP) using predetermined criteria ( Box 1). Disagreement or ambiguities were resolved by consensus after discussion with a third reviewer (LA). Design • Randomised trial or quasi-randomised trial Participants • Adults Intervention • Experimental intervention includes biofeedback using any signal (EMG, force, position) via any sensory system (visual, auditory, tactile) Outcome measures • Measure/s of lower limb activity (sitting, standing up, standing or walking) Quality: The quality of included inhibitors trials was assessed by extracting PEDro scores from the Physiotherapy Evidence Database. Rating of trials on this database is carried

KPT-330 mw out by two independent trained raters

and disagreements are resolved by a third rater. Where a trial was not included on the database, it was assessed independently by two reviewers who had completed the PEDro Scale training tutorial on the Physiotherapy Evidence Database. Participants: hypoxia-inducible factor pathway Trials involving adult participants of either gender, at any level of initial disability, at any time following stroke were included. Age, gender, and time since stroke were recorded to describe the trials. Intervention: The experimental intervention could be of any type of biofeedback, ie, using any signal (position, force, EMG) via any sense (visual, auditory, tactile). At least some of the intervention had to involve practice of the whole activity and practice of the activity had

to involve movement (such as reaching in sitting or weight shift in standing). The control intervention could be nothing, placebo, or usual therapy in any combination. Type of biofeedback, activity trained, and duration and frequency of the intervention were recorded to describe the trials. Outcome measures: Measures of lower limb activity congruent with the activity in which biofeedback was applied were used in the analysis. Where multiple measures for one activity were reported, a measure was chosen that best reflected the aim of the biofeedback intervention Thymidine kinase (eg, step length). The measures used to record outcomes and timing of measurement were recorded to describe the trials. Data were extracted from the included trials by one reviewer and cross-checked by a second reviewer. Information about the method (ie, design, participants, lower limb activity trained, intervention, measures) and data (ie, number of participants and mean (SD) of outcomes) were extracted. Authors were contacted where there was difficulty extracting and interpreting data from the paper. Post-intervention scores were used to obtain the pooled estimate of the effect of intervention in the short term (after intervention) and in the longer term (some time after the cessation of intervention). Since different outcome measures were used, the effect size was reported as Cohen’s standardised mean difference (95% CI). A fixed-effect model was used initially.

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