ALB and ischemic stroke: The initial cohorts consisted of 503 840 patients with ischemic stroke, of whom 320 111 with normal albumin levels ≥3.5 g/dL (mean age, 70.9±14.7 years; 48.9% females) and 183 729 with reduced albumin levels ≤3.4 g/dL (mean age, 72.9±14.3 years; 50.3% females; Figure 1).