How to Answer Study Investigated Whether Questions (Complete Guide)

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What This Question Is About

This question relates to study investigated whether and requires a structured academic response.

How to Approach This Question

Break the problem into smaller parts and analyze each logically.

Key Explanation

This topic involves study investigated whether. A strong answer should include explanation, application, and examples.

Original Question

A study investigated whether a GLP-1 receptor agonist would improve stroke outcomes in comparison to the well accepted standard of care. In a Phase II prospective randomized clinical trial, patients were randomized to a GLP-1 medication or standard of care. From April, 2016 to June, 2021 investigators followed 341 patients who had experienced an acute ischemic stroke and within a nine hour window were randomized to either treatment approach within the context of an international multicenter trial. A total of 170 patients were randomized to a GLP-1 medication and 171 were randomized to the standard of care. It was found that baseline demographic and clinical factors were balanced between the two treatment groups. Regarding the stroke outcomes, at seven days poststroke, significant improvement was recorded for 104 of 170 patients in the GLP-1 medication group and 97 of 171 in the standard of care group 1. What is the parameter (write down a symbol and describe in words) for each group (GLP-1 and standard of care)? (2 Points) 2. What is the statistic (write down a symbol and numerical value) in terms of absolute difference? (2 Points) 3. What is the relative risk when comparing the GLP-1 to standard of care groups? (2 Points) 4. What is the total sample size (write down a numerical value)? (1 Point) 5. Write the null and alternative hypotheses for the difference in proportions in two ways: 1) in words and 2) in symbols: (4 Points) 6. Conduct a simulation (1,000 repetitions); attach screenshot of null distribution only: (1 Point) 7. Calculate the standardized statistic related to your simulation: (3 Points) 8. What is the p-value from the simulation? (1 Point) 9. What is your decision regarding the null hypothesis and make sure to include supporting evidence in terms of the p-value and standardized statistic. Make sure to include numerical results (2 Points) 10. What is the simulation based 95% confidence interval? (2 Points) 11. Can we consider the results to be associative or causative in nature? (2 Points) 12. To whom can we generalize these results? (2 Points)

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