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Prevalance of Scleroderma: Estimates for the number of people in the United States with systemic sclerosis range from 40,000 to 165,000. By contrast, a survey that included all scleroderma-related disorders, including Raynaud's phenomenon, suggested a number between 250,000 and 992,500.bout prevalence and incidence statistics: The term 'prevalence' of Scleroderma usually refers to the estimated population of people who are managing Scleroderma at any given time.
Tuberous sclerosis occurs in all races and ethnic groups, and in both genders. The live-birth prevalence is estimated to be between 10 and 16 cases per 100,000. A 1998 study estimated total population prevalence between about seven and 12 cases per 100,000, with more than half of these cases undetected.