The cardiologist provided data but little analysis of the data (and no risk adjustment). Upon calculation of the confidence interval, you find that the confidence intervals of the aortic valve replacement and the Secretariat procedure overlap meaning that there is no statistically significant difference between the two. The lower bound of the secretariat procedure, however, is higher than the upper bound of the heart bypass procedure, meaning that the mortality rate of the secretariat procedure is statistically significantly higher than the mortality rate of the heart bypass procedure. Does the result of your calculations change your view of this situation?
[Expert Solution]: The cardiologist provided data but little…
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