Choose one (or more) of the following vital statistics and describe
1. Definition of each vital statistic?
2. How to calculate each vital statistic?
3. What are the main usefulness of each vital statistic?Here is a list of vital statistics.
Case-Fatality rate
Mortality rate
Age-specific mortality rate
Maternal mortality rate
Infant mortality rate
Neonatal mortality rate
Let’s start with the first one, Case-Fatality rate (CFR)
Its definition is the proportion of people diagnosed with a certain disease and died from that specific disease without time period between disease onset and death taken into consideration. This indicator often reports as percentage and measures the disease lethality.
The calculation of the CFR = [(No. of deaths from the disease) / (No. of confirmed case of the disease)] x 100
Other indicators provided in the example mostly focused on the mortality rate.
The mortality rate is different from the CFR and sometimes may cause confusion. The mortality rate is a measure of relative number of deaths (whether by a specific disease or in general) within the PARTICULAR POPULATION per unit of time from ANY CAUSE
It is typically expressed in units of deaths per 1000 individuals
The numerator for the mortality rate is [(No. of death) / (Population of that area)]
Unlike other measurements, such as perinatal/maternal/infant mortality rate which are more specific to the particular causes, hence their names. The numerator and denominator are also different, yet stand with the fundamental idea of the mortality rate.