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
[{'content': 'Which of the following estimating the burden of a disease in the community is \nSelect and explain. \nA. Disease specific mortality, B. Proportional mortality rate, C. Maternal mortality rate, D. Child mortality rate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (Proportional mortality rate) (23 - Park 19th) (25, 54-Park 20th)Proportional mortality rate - The simplest measures of estimating the burden of a disease in the community is proportional mortality rate i.e. - the proportion of all deaths currently attributed to it.* The proportional mortality rate from communicable disease has been suggested as a useful health status indicator* It indicate the magnitude of preventable mortality', 'role': 'assistant'}]