Incidence of Creutzfeldt-Jakob Disease in the United States from 2000 to 2019
Seitz, A.; Zhang, C.; Navi, B. B.; Kamel, H.; Merkler, A. E.
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Background and purposeTo test the hypothesis that the incidence of Creutzfeldt-Jakob disease (CJD) has remained constant, we calculated the rate of hospitalizations for CJD in the United States using the National Inpatient Sample (NIS) from 2000 to 2019. MethodsWe used ICD-9 and ICD-10 codes to identify people hospitalized with presumed CJD in the National Inpatient Sample (NIS) from 2000 to 2019. Survey weights were used to calculate nationally representative estimates. We used 2000 census data to calculate age-adjusted standardized rates of CJD hospitalizations by sex and race-ethnicity and then used Joinpoint regression to evaluate changes in those rates. ResultsFrom 2000 to 2019, there were 11,064 admissions for CJD across the U.S. Across this period, the age-adjusted rate of CJD-related hospitalizations increased significantly from 1.25 (95% CI, 1.25-1.26) to 1.98 (95% CI, 1.98-1.99) per million U.S. adults per year, with a significant annual percentage change between 2004 and 2013 of 7.6% (95% CI, 4.4%-10.9%). ConclusionsThe incidence of CJD increased in the United States from 2000 to 2019, with a significant increase specifically between 2004 and 2013, though the overall case rate remains low.
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