In 2015, a total of 16,583 persons were identified as having definite amyotrophic lateral sclerosis (ALS). The estimated prevalence of ALS in 2015 was 5.2 cases of ALS per 100,000 population, which is similar to that in 2014 (5.0). Case ascertainment was unaffected by the inclusion of International Classification of Diseases, Tenth Revision codes in the algorithm used to identify cases from national databases.
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Mehta et al. (2018) studied this question.
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