Fig. 3

Subgroup analysis of the associations between RAR and low cognitive performance. The analysis was adjusted for age, gender, education, BMI, smoking status, drinking status, smoking status, hypertension, and DM. BMI body mass index, DM diabetes mellitus, RAR The red blood cell distribution width to albumin ratio, CERAD-WL consortium to establish a registry for alzheimer’s disease word learning test, DSST digit symbol substitution test, AFT animal fluency test