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How completely are physiotherapy interventions described in reports of randomised trials?
Tiê P Yamato1, Chris G Maher1, Bruno T Saragiotto1
1Musculoskeletal Division, The George Institute for Global Health, Sydney Medical School, The University of Sydney, Australia.
Background:
Incomplete descriptions of interventions are a common problem in reports of randomised controlled trials. To date no study has evaluated the completeness of the descriptions of physiotherapy interventions.
Objectives:
To evaluate the completeness of the descriptions of physiotherapy interventions in a random sample of reports of randomised controlled trials (RCTs).
Data Sources:
A random sample of 200 reports of RCTs from the PEDro database.
Study Selection Or Eligibility Criteria:
We included full text papers, written in English, and reporting trials with two arms. We included trials evaluating any type of physiotherapy interventions and subdisciplines.
Data Extraction And Data Synthesis:
The methodological quality was evaluated using the PEDro scale and completeness of intervention description using the Template for Intervention Description and Replication (TIDieR) checklist. The proportion and 95% confidence interval were calculated for intervention and control groups, and used to present the relationship between completeness and methodological quality, and subdisciplines.
Results:
Completeness of intervention reporting in physiotherapy RCTs was poor. For intervention groups, 46 (23%) trials did not describe at least half of the items. Reporting was worse for control groups, 149 (75%) trials described less than half of the items. There was no clear difference in the completeness across subdisciplines or methodological quality.
Limitations:
Our sample were restricted to trials published in English in 2013.
Conclusion And Implications Of Key Findings:
Descriptions of interventions in physiotherapy RCTs are typically incomplete. Authors and journals should aim for more complete descriptions of interventions in physiotherapy trials.
