based on Efficacy of hydroxychloroquine in patients with COVID-19:results of a randomized clinical trial
answer the following questions:
– What type of sample is employed in the study? Briefly,describe the sample(s). What is the recruitment strategy? Is thesample strong on external validity?
– How are data collected? Please provide a descriptivesummary.
– Is the study strong on internal validity, why or why not?Are two or more groups comparable on measured potentialconfounders?
– How were the ethical concerns dealt with in the currentstudy?
– What are the results?
– What are the study’s limitations, if any?
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