The quality of the reported sample size calculation in clinical trials on COVID-19 patients indexed in PubMed
- PMID: 32414641
- PMCID: PMC7190503
- DOI: 10.1016/j.ejim.2020.04.057
The quality of the reported sample size calculation in clinical trials on COVID-19 patients indexed in PubMed
Keywords: Protocol; SARS-CoV-2; Sample size; Statistics; Trials.
Conflict of interest statement
Declaration of Competing Interest None.
Comment on
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Effectiveness of glucocorticoid therapy in patients with severe coronavirus disease 2019: protocol of a randomized controlled trial.Chin Med J (Engl). 2020 May 5;133(9):1080-1086. doi: 10.1097/CM9.0000000000000791. Chin Med J (Engl). 2020. PMID: 32149773 Free PMC article.
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RETRACTED: Hydroxychloroquine and azithromycin as a treatment of COVID-19: results of an open-label non-randomized clinical trial.Int J Antimicrob Agents. 2020 Jul;56(1):105949. doi: 10.1016/j.ijantimicag.2020.105949. Epub 2020 Mar 20. Int J Antimicrob Agents. 2020. Retraction in: Int J Antimicrob Agents. 2025 Jan;65(1):107416. doi: 10.1016/j.ijantimicag.2024.107416. PMID: 32205204 Free PMC article. Retracted. Clinical Trial.
References
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- Lee PH, Tse ACY. The Diagnosis Checking of Statistical Analysis in Randomised Controlled Trials Indexed in PubMed. Eur J Clin Invest. 2017;47(11):847–852. - PubMed
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- Robinson KA, Dickersin K. Development of a highly sensitive search strategy for the retrieval of reports of controlled trials using PubMed. Int J Epidemiol. 2002;31:150–153. - PubMed
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- Donner A. Approaches to sample size estimation in the design of clinical trials–a review. Stat Med. 1984;3(3):199–214. - PubMed
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