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What does prevalence mean?
Prevalence is a statistical concept referring to the number of cases of a disease that are present in a particular population at a given time, whereas incidence refers to the number of new cases that develop in a given period of time.
Why do we use prevalence?
The prevalence is often useful as it reflects the burden of a disease in a certain population. This is not limited to burden in terms of monetary costs; it also reflects burden in terms of life expectancy, morbidity, quality of life, or other indicators.
How do you use the word prevalence?
Examples of prevalence A large number of studies have reported higher prevalences of both depressive symptoms and clinical depression in women than in men. The prevalence of various symptoms and prescriptions for antibiotics and antiviral medications were also found to be independent of virus variant.
Is Prevalency a real word?
1As a count noun: an instance of being prevalent, or of frequent or general occurrence or acceptance. 2The quality or condition of being prevalent; = “prevalence”.
What is the verb form of prevalence?
prevail. (intransitive) To be superior in strength, dominance, influence or frequency; to have or gain the advantage over others; to have the upper hand; to outnumber others. (intransitive) To be current, widespread or predominant; to have currency or prevalence.
What does prevalence mean in public health?
Definition of prevalence Prevalence, sometimes referred to as prevalence rate, is the proportion of persons in a population who have a particular disease or attribute at a specified point in time or over a specified period of time.
What do the terms incidence and prevalence mean?
The terms “incidence” and “prevalence” refer to the number of people who have a particular medical condition .
What is prevalence in statistics?
Prevalence is a statistical concept referring to the number of cases of a disease that are present in a particular population at a given time, whereas incidence refers to the number of new cases that develop in a given period of time.
What is prevalence proportion?
Prevalence in epidemiology is the proportion of a particular population found to be affected by a medical condition (typically a disease or a risk factor such as smoking or seat-belt use). It is derived by comparing the number of people found to have the condition with the total number of people studied,…
What is period prevalence?
Period prevalence. Period prevalence is the proportion of the population with a given disease or condition over a specific period of time. It could describe how many people in a population had a cold over the cold season in 2006, for example.