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RNA biomarkers associated with cognitive decline. Relative abundance of COPZ1, PTPN1 and EFTUD2 was compared in subjects with normal cognition (CN = 51, circles) to cognitively impaired (CI = 87, triangles). Error bars represent the 95% confidence interval (CI). A p-value of less than 0.05 was regarded as significant based on a Student t-test (two-tailed).
