Proportionate Mortality Rate Formula:
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The Proportionate Mortality Rate (PMR) is the percentage of all deaths attributable to a specific cause. It helps understand the relative importance of specific causes of death within a population.
The calculator uses the PMR formula:
Where:
Explanation: The formula calculates what percentage of total deaths are caused by a specific disease or condition.
Details: PMR is useful for identifying leading causes of death, monitoring disease burden, and evaluating public health interventions. It's particularly valuable when population denominators are unknown.
Tips: Enter the number of deaths from the specific disease and the total number of deaths from all causes. Both values must be non-negative integers, and disease deaths cannot exceed total deaths.
Q1: What's the difference between PMR and mortality rate?
A: Mortality rate uses population at risk in denominator, while PMR uses total deaths. PMR shows relative importance among deaths, not absolute risk.
Q2: What are typical PMR values?
A: Values range from 0-100%. Higher values indicate the disease accounts for larger proportion of deaths in the population.
Q3: When is PMR particularly useful?
A: When population data is unavailable but death counts are known, or for occupational mortality studies.
Q4: What are limitations of PMR?
A: Doesn't account for population size or demographic differences. Can't determine if a cause of death is increasing or decreasing in absolute terms.
Q5: How does PMR differ from case fatality rate?
A: Case fatality rate measures deaths among people with the disease, while PMR measures disease deaths among all deaths.