ALB and Parkinson disease: In the association between serum albumin and incident PD-related death, an interactive role existed in any subgroup; however, ORs were lower in males, older patients (≥65 years), or patients with PDD (MMSE ≤ 24), and the highest tertile of serum albumin, specifically 0.09 (0.01, 0.75), 0.16 (0.03, 0.75), and 0.17 (0.03, 0.92), respectively.