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What is the average age of stenosis and how does it differ by type?

The onset of stenosis can vary significantly depending on the type and cause, but degenerative forms generally affect older adults. Specifically, the average person diagnosed with spinal stenosis is in their 60s, while calcific aortic stenosis often becomes symptomatic in individuals over 70 or 80. Understanding what is the average age of stenosis requires distinguishing between the different forms of the condition.