A district records 80 deaths from cancer among 400 total deaths during one year. Which measure is represented by 80 divided by 400, multiplied by 100?
Correct answer: B. Proportional mortality percentage
- A. Cancer-specific mortality rate
- B. Proportional mortality percentage
- C. Case-fatality percentage
- D. Maternal mortality ratio
Explanation
Proportional mortality percentage describes deaths from one cause as a proportion of all deaths. A cause-specific mortality rate uses the population at risk as its denominator, while case-fatality uses diagnosed cases.
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About Epidemiology and Biostatistics
Epidemiology examines the distribution and causes of disease by person, place and time, using measures such as incidence, prevalence, mortality and case-fatality rates. Biostatistics covers data presentation, sampling, averages, variability, probability and interpretation of study results, while distinguishing association from causation.
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