medium10 pts · first answer countscausal-thinkingdescriptive-statistics

Overall rate flips when split

Hospital A has a higher survival rate than Hospital B for both mild and severe cases, yet Hospital B has a higher overall survival rate. How is that possible?

A.The data must contain an errorB.Hospital B has better doctors overallC.Survival rates cannot be compared across hospitalsD.Hospital A treats many more severe cases, and the different case mix reverses the combined result (Simpson paradox)

Discussion 0

Join free to post in the discussion.

Overall rate flips when split

Discussion 0

Related questions