ALB and Parkinson disease: Multivariate analysis revealed that age (OR = 1.044, P = 0.025), past cerebral stroke (OR = 2.643, P = 0.014), Parkinson’s disease (OR = 2.998, P = 0.028), low serum albumin level (OR = 6.407, P < 0.001), and low hemoglobin level (OR = 4.629, P < 0.001) were independent risk factors for malnutrition.