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Health Statistics Online

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Guides on Health Disparities

Important Definitions

Statistics – the practice or science of collecting and analyzing numerical data in large quantities

Data – raw numbers collected together for reference or analysis

Vital Statistics – Statistics concerning the important events in human life, i.e. birth, death, marriage, etc. 

Correlation – mutual relationship or connection between two or more things

Rate – expresses the frequency  with which an event occurs in a defined population in a specified period of time

Incidence  the proportion of new cases of the target disorder in the population at risk during a specified time interval

Prevalence – the proportion of the total population who have a particular health-related condition. 




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