Data analysis
dementia
REGRESSION
Based on our previous trial in early‐phase AD (Chi‐square test (or Fisher's exact test) was used to compare differences of categorical variables and one‐way analysis of variance (or Kruskal–Wallis test if the distribution was not normal) for continuous variables among four treatment groups. The Subgroup analysis was also performed based on the previously reported gender difference (with female advantage) in benzoate treatment for the behavioral and psychological symptoms of dementia (BPSD).Multiple linear regression analyses were used to generate predictive models for treatment response.All data were analyzed by SPSS version 22.0 (IBM Corp., Armonk, NY). All 