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Question 5 (2 points) Albumin is a liver protein that helps with circulation of hormones, vitamins, and enzymes throughout our body. Reduced albumin concentrations have
Question 5 (2 points) Albumin is a liver protein that helps with circulation of hormones, vitamins, and enzymes throughout our body. Reduced albumin concentrations have been associated with severe illness among individuals infected with COVID-19. Suppose we wanted to conduct a study to compare the mean Albumin concentration (g/L) between a sample of adult patients hospitalized at MUSC for COVID-19 infection ( =32.8 , s=6.0) to the mean Albumin concentration (g/L) of healthy U.S. adults (U=34.1, 0=7.13). How many patients would we need to enroll from MUSC to conduct this study with 95% confidence, and 90% power? From: Chen T, Wu D, Chen H, et al. Clinical characteristics of 113 deceased patients with coronavirus disease 2019: retrospective study [published correction appears in BMJ. 2020 Mar 31;368:m1295]. BMJ. 2020;368:m1091. Published 2020 Mar 26. doi: 10. 1136/bmj.m1091 O 292 O 164 316 269
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