(Answered) Question read the paper titled plasma fetuin -a is

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Question: Read the paper titled "Plasma Fetuin -A is associated with the Severity and Cognitive Impairment in Mild to moderate Alzheimer's Disease" Edward R. Smith, RaminNilforooshan et al. Journal of Alzheimer's disease, 2010.

Identify the primary outcome measure and calculate using PS-sample size program to determine the power of the primary outcome measure, stating clearly the measures that were used to arrive at the result. Use 0.05 as type I error for the calculation. Also comment on the value of the difference whether this was clinically relevant or not.

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