IL6 and Cognitive impairment: An increase of one unit log-transformed IL-6 levels was significantly associated with 35 % higher odds of cognitive impairment (OR = 1.35 [1.13, 1.60], pFDR-value<0.001) and 29 % higher odds of TMT-B ≥ 90 s (OR = 1.29 [1.07, 1.56], pFDR-value = 0.011).