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Objectives: Testing for antinuclear antibodies (ANA) facilitates the diagnosis of autoimmune diseases (ADs). Here, we report an incidence of ANA positivity and its patterns by indirect immunofluorescence (IIF) and specific autoantibodies through immunodot assay. Methods: Sera from 993 patients presenting with various ADs were tested by IIF and immunodot assay. Results: ANAs were detected in 39.7%, of which speckled pattern was predominantly observed (50.8%). 56.8% of samples were positive ondoi:10.23822/eurannaci.1764-1489.93 pmid:30983307 fatcat:fscygpekuzhsnmookgfip3ayiu