Association between nutritional status and gait performance in Alzheimer's disease
Abstract
Abstract Aims This study aimed to comprehensively explore the nutrition and gait of AD patients at different stages and the relationship between them. Methods A total of 85 AD patients were consecutively enrolled in this cross‐sectional study and divided into the mild cognitive impairment (MCI) due to AD (AD‐MCI) and the dementia due to AD (AD‐D) groups. Demographic information, nutritional status, and gait performance were compared between the two groups, and the correlation between nutritional status and gait performance was subsequently analyzed by Pearson and Spearman correlation analyses. Results The AD‐D group had lower scores on Mini‐Nutritional Assessment (MNA) and MNA m scales, lower levels of urea nitrogen, folic acid, and vitamin B 12 in blood, and higher homocysteine level than those in the AD‐MCI group (all p < 0.05). The AD‐D group had slower step speed, shorter step length, and shorter stride length than those in the AD‐MCI group (all p < 0.05). AD patients with decreased scores of MNA and MNA m scales, and declined levels of urea nitrogen and vitamin B 12 in blood had reduced gait speed and gait cadence, and prolonged step length time and stride length time, whereas homocysteine showed the almost opposite results (all p < 0.05). In the AD‐MCI group, the score of scale was negatively correlated with the coefficient of variation (CV) of stride length, and the folic acid level was negatively correlated with the CV of stride length and cadence (all p < 0.05).…
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