This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
Best method for comparison of death between two populations with age variation - 
Select and explain. 
A. Age adjusted rates, B. Crude rates, C. Proportional rates, D. None
A: Age adjusted rates
Answer: A: Age adjusted rates 
Explanation: Ans-A i.e., Age adjusted rates o Standardization (or adjustment) of rates is used to unable the valid comparison of groups that differ regarding an important health determinant (most commonly age).o Age adjustment or age standardization removes the confounding effect of different age structures of two different population and yields a single standardized rate, by which the mortality experience can be compared directly.