PURPOSE: To estimate the prevalence and incidence of hospitalized keratoconus (KC) in Denmark. METHODS: Data extracts from the National Patient Registry under the National Board of Health (which covers the entire Danish population) were analysed. RESULTS: The prevalence of KC was estimated at 86 patients per 100,000 residents and the incidence at 1.3 per 100 000 per year. CONCLUSION: KC is rather widespread in Denmark, with more than 4600 affected individuals.
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Nielsen et al. (2007) studied this question.
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