This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
Death rates of two countries are best compared by - 
Select and explain. 
A. Crude death rate, B. Propoional crude death rate, C. Standardized moality rate, D. Age specific death rate
C: Standardized moality rate
Answer: C: Standardized moality rate 
Explanation: .standardised moality ratio is the ratio of total number of deaths that occur in the study group to the number of deaths that would have been expected to occur if that study group had experienced the death rates of a standardised population.it gives a measure of the likely excess risk o moality due to the occupation.it is used to compare the death rates of two countries. ref:park&;s textbook,ed 22,pg no 57