Researchers conducting a clinical trial randomly assigned 60 patients with painful knee osteoarthritis evenly into one of...

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Researchers conducting a clinicaltrial randomly assigned 60 patients with painful kneeosteoarthritis evenly into one of three treatment groups:glucosamine, chondroitin, or placebo.After the study period,patients were asked if they experienced substantial improvement inpain and ability to function normally.Thirty-four patients repliedthat they did have an improvement, including 13 in the glucosaminegroup, 16 in the chondroitin group, and 5 in the placebo group.

List a potential confounding variablefor this study and briefly explain a possible consequence it couldhave on the results.

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The age of patients that include resistance power and the severity or stage of painful knee osteoarthritis are potential confounding variables for this study 60 patients are randomly and evenly assigned    See Answer
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