This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Definition and Concepts, Examples from NHPs, Subject name: Social & Preventive Medicine
True about Kaplan Meier analysis are all except:- 
Select and explain. 
A. It is a type of Survival analysis, B. Used as moality indicator, C. To see how patient survival is increasing/benefitiing with treatment, D. Non-parametric statistic used to estimate the survival function from lifetime data
B: Used as moality indicator
Answer: B: Used as moality indicator 
Explanation: Kaplan Meier Analysis:- Kaplan-Meier estimator, also known as the product limit estimator, is a non-parametric statistic used to estimate the survival function from lifetime data. In medical research, it is often used to measure the fraction of patients living for a ceain amount of time after treatment. Done for chronic diseases like cancer at 5 yearly intervals to see how patient's survival is decreasing with/without treatment.