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
Standardized moality rate is - 
Select and explain. 
A. Standardized for age, B. Standardized for disease, C. Standardized for regions, D. Standardized for a paicular time period
A: Standardized for age
Answer: A: Standardized for age 
Explanation: Standardized moality rate is a indirect age standardization method. SMR ia aratio of total number of deaths that occur in study group to the number of deaths that would have been expected to occur if that study group had experienced the death rates of standard population. SMR=observed death/expected death*100 Parks textbook of preventive and social medicine.K Park. Edition 23.Pg no: 59