Characteristics and Strength of Evidence of COVID-19 Studies Registered on ClinicalTrials.gov.
cross_sectional · Level IV
Where this comes from
- Record sourced from PubMed, PMID 32730617.
- Also identified by DOI 10.1001/jamainternmed.2020.2904 and PMC identifier 7385669.
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Abstract
This cross-sectional study evaluates the characteristics and expected strength of evidence of coronavirus disease 2019 studies registered on ClinicalTrials.gov.
Medical subject headings
- Coronavirus Infections
- Evidence-Based Medicine
- Outcome Assessment, Health Care
- Pandemics
- Pneumonia, Viral
- Research Design