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Taken from WWW.pubmed.gov (testosterone studies)
Int J Clin Pract. 2006 Jul;60(7):762-9.
Prevalence of hypogonadism in males aged at least 45 years: the HIM study.
· Mulligan T,
· Frick MF,
· Zuraw QC,
· Stemhagen A,
· McWhirter C.
Division of Geriatrics, Malcom Randall VAMC GRECC and University of Florida, Gainesville, FL.
The Hypogonadism in Males study estimated the prevalence of hypogonadism [total testosterone (TT)
<300 ng/dl] in men aged >/=45 years visiting primary care practices in the United States. A blood sample
was obtained between 8 am and noon and assayed for TT, free testosterone (FT) and bioavailable testosterone
(BAT). Common symptoms of hypogonadism, comorbid conditions, demographics and reason for visit were recorded.
Of 2162 patients, 836 were hypogonadal, with 80 receiving testosterone. Crude prevalence rate of
hypogonadism was 38.7%. Similar trends were observed for FT and BAT. Among men not receiving testosterone,
756 (36.3%) were hypogonadal; odds ratios for having hypogonadism were significantly higher in men with
hypertension (1.84), hyperlipidaemia (1.47), diabetes (2.09), obesity (2.38), prostate disease (1.29) and
asthma or chronic obstructive pulmonary disease (1.40) than in men without these conditions.
The prevalence of hypogonadism was 38.7% in men aged >/=45 years presenting to primary care offices.
PMID: 16749913 [PubMed - as supplied by publisher]
Comment from Dr. Gordon
One could speculate that the prevalence of hypogonadism (testosterone deficiency) in men sixty-five or older
is in the 80% - 90% range. These numbers likely hold true for women also, and women suffer more from the disease.
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