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Unadjusted odds ratios for an increasing total small vessel disease score with baseline and mean premorbid (i) systolic and (ii) diastolic blood pressure (BP) stratified by (A) years before transient ischemic attack (TIA)/ischemic stroke when BP was measured and (B) age of patients when blood pressure was measured (odds ratios of baseline and premorbid BP taken as top vs bottom quartile as referent).
