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13.5 million Americans (NHLBI) ... see also overview of COPD.
approx 1 in 20 or 4.96% or 13.5 million people in USA [Source statistic for calcuation: "13.5 million Americans (NHLBI)" -- see also general information about data sources]
For details see prevalence of types of COPD analysis; summary of available prevalence data:
15 million undiagnosed or in early stages ... see also misdiagnosis of COPD.
approx 1 in 18 or 5.51% or 15 million people in USA [about data] ... Note: this rate calculation uses the following statistic: 15 million undiagnosed or in early stages
More than 13.5 million Americans are thought to have COPD. (Source: excerpt from What is COPD: NHLBI)
The following statistics relate to the prevalence of COPD:
The following statistics relate to deaths and COPD:
The term 'prevalence' of COPD usually refers to the estimated population
of people who are managing COPD at any given time.
The term 'incidence' of COPD refers to the annual diagnosis rate,
or the number of new cases of COPD diagnosed each year.
Hence, these two statistics types can differ:
a short-lived disease like flu can have high annual incidence but low prevalence,
but a life-long disease like diabetes has a low annual incidence but high prevalence.
For more information see about prevalence and incidence statistics.
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