Fig. 1

Flow diagram of the study participants. Abbreviations: KoGES CAVAS-CA, Korean Genome and Epidemiology Study (KoGES) Cardiovascular Disease Association Study (CAVAS)-Cognitive Aging (CA); MRI, magnetic resonance imaging; CVD, cerebrovascular diseases. Cerebrovascular diseases included stroke and cerebral infarction. Heart diseases included angina pectoris and myocardial infarction.