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: Social & Preventive Medicine
Total number of TB cases in a community of 6000 population 150. Number death due to TB are 30. What is the TB specific death rate (per 1000 population) ? 
Select and explain. 
A. 20, B. 10, C. 5, D. 0-5
D: 0-5
Answer: D: 0-5 
Explanation: Ans. is 'd' i.e., 0-5 Specific death rates When analysis is planned to throw light on etiology, it is essential to use specific death rates. The specified death rate helps identify paicular 'at risk' group (s) for prevention. It also permits comparison between different causes within same population. The specific death rates may be ? a) Cause or disease specific, e.g. TB, cancer, accident. b) Related to specific groups - e.g. age specific, sex specific.