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Diseases » Klinefelter syndrome » Prevalence
 

Prevalence and Incidence of Klinefelter syndrome

Prevalance of Klinefelter syndrome:

1 per 500 - 1,000 males are affected by Klinefelter syndrome, Genetics Home Reference website ... see also overview of Klinefelter syndrome.

Prevalance Rate:

approx 1 in 500 or 0.20% or 544,000 people in USA [Source statistic for calcuation: "1 per 500 - 1,000 males are affected by Klinefelter syndrome, Genetics Home Reference website" -- see also general information about data sources]

Ophanet, who are a consortium of European partners, currently defines a condition rare when if affects 1 person per 2,000. They list Klinefelter syndrome as a "rare disease". More information about Klinefelter syndrome is available from Orphanet

Incidence (annual) of Klinefelter syndrome:

1-in-500 to 1-in-1000 male births (NIDCD) ... see also overview of Klinefelter syndrome.

Incidence Rate:

approx 1 in 68,000 or 0.00% or 4,000 people in USA [Source statistic for calcuation: "1-in-500 to 1-in-1000 male births (NIDCD)" -- see also general information about data sources]

Incidence extrapolations for USA for Klinefelter syndrome:

4,000 per year, 333 per month, 76 per week, 10 per day, 0 per hour, 0 per minute, 0 per second. [Source statistic for calculation: "1-in-500 to 1-in-1000 male births (NIDCD)" -- see also general information about data sources]

Incidence statistics for Klinefelter syndrome:

The following statistics relate to the incidence of Klinefelter syndrome:

  • 36 infants were born alive with Klinefelters Syndrome in the UK 2002 (University of Ulster, 2003)
  • 1 fetal deaths or still births occurred due to Klinefelters Syndrome in the UK 2002 (University of Ulster, 2003)
  • 6 cases of induced abortions occurred following prenatal diagnosis of Klinefelters Syndrome in the UK 2002 (University of Ulster, 2003)
  • Klinefelters Syndrome occurred in 14.63 per 10,000 births in the UK 2002 (University of Ulster, 2003)
  • more statistics...»

About prevalence and incidence statistics:

The term 'prevalence' of Klinefelter syndrome usually refers to the estimated population of people who are managing Klinefelter syndrome at any given time. The term 'incidence' of Klinefelter syndrome refers to the annual diagnosis rate, or the number of new cases of Klinefelter syndrome 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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