Related Experiment Videos
Increased mortality in Klinefelter syndrome.
Anders Bojesen1, Svend Juul, Niels Birkebaek
1Medical Department M. (Diabetes and Endocrinology), Aarhus Sygehus, Aarhus University Hospital, Denmark. anders.bojesen@dadlnet.dk
The Journal of Clinical Endocrinology and Metabolism
|August 5, 2004
Summary
Klinefelter syndrome (KS) increases mortality risk by 40%, reducing median survival by over two years. This common genetic disorder is linked to higher death rates from various diseases.
Area of Science:
- Medical Genetics
- Epidemiology
- Public Health
Background:
- Klinefelter syndrome (KS) is the most common sex chromosome abnormality in males.
- KS is a frequent cause of male hypogonadism.
- Understanding mortality patterns in KS is crucial for patient care and public health.
Purpose of the Study:
- To investigate the mortality risk associated with Klinefelter syndrome.
- To identify specific causes of death contributing to increased mortality in KS patients.
Main Methods:
- An epidemiological study utilizing Danish national registers.
- A cohort of 781 men diagnosed with KS was compared to a control group of 3803 men.
- Cox regression analysis was employed to assess mortality risk and causes of death.
Main Results:
- Klinefelter syndrome was associated with a 40% increased mortality risk (HR 1.40).
- Median survival was reduced by 2.1 years in individuals with KS.
- Increased mortality was primarily observed for infectious, neurological, circulatory, pulmonary, and urinary tract diseases.
Conclusions:
- Klinefelter syndrome is linked to a significant increase in overall mortality.
- The underlying causes for this increased mortality, whether intrinsic to KS or related to other factors, require further investigation.