What is the prevalence of primary hyperparathyroidism in the US?

Updated: Dec 24, 2020
  • Author: Lawrence Kim, MD, FACS, FACE; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Primary hyperparathyroidism is more common in women, the incidence being 66 per 100,000 person-years in females, and 25 per 100,000 person-years in males. In a large study of 3.5 million enrollees in Kaiser Permanente of southern California, the incidence fluctuated over time but was not seen to decrease substantially​. On the contrary, the prevalence of primary hyperparathyroidism saw a substantial increase in this population. [1]  The mean age at diagnosis has remained between 52 and 56 years.

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