Evaluation of Planned Subgroup Analysis in Protocols of Randomized Clinical Trials.
cross_sectional · Level IV
Where this comes from
- Record sourced from PubMed, PMID 34705015.
- Also identified by DOI 10.1001/jamanetworkopen.2021.31503 and PMC identifier 8552052.
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Abstract
This cross-sectional study compares randomized clinical trial protocols to assess the prevalence and reporting quality of planned subgroup analyses over time.
Medical subject headings
- Randomized Controlled Trials as Topic
- Research Design