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"Methods has obtained the findings of ANA surveys conducted by various departments in 2019 to determine the prevalence of DFS patterns. Demographic data and clinical data of these individuals' were also collected from the electronic medical record system, as well as medical characteristics of their health. The prevalence of ANA positivity in 72,204 serum samples, in which the median age was 44 years old and 70% were female, was 37. 4%. The prevalence of the DFS staining pattern was 1. 1% in the total population and 3. 1% in the ANA-positive population. There were 97. 6% of these cases with a low titer of ANA at a low titer. DFS immunofluorescence staining pattern can be a sign of localized inflammation in some organs or tissues, particularly the skin. ".
Source link: https://doi.org/10.3389/fmed.2022.829436
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