Variables that were significantly different between the two groups with different nutritional status: duration of PD disease, duration of FOG, LEDD, UPDRS-III score, H-Y stage, FOGQ score, PD-NMS score; uric acid, albumin, and pre-albumin, were included in the logistic regression analysis to assess the relationship between the above factors and malnutrition in PDFOG patients. This evidence concerns the gene ALB and Parkinson disease.