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Table 4 Associations between Montreal Cognitive Assessment test scores and AMY1A copy number variation

From: Alpha-amylase 1A copy number variants and the association with memory performance and Alzheimer’s dementia

  MoCA test participants (n = 791) Mean ± SD
AMY1 copy number Total MoCA score Word recall score
By four groups
1–5 25.5 (3.0) 3.0 (1.3)
6 (reference)1 25.1 (3.3) 2.8 (1.4)
7–9 25.5 (3.1)a 3.1 (1.4)
≥ 10 25.7 (3.1) 3.2 (1.2)*
  1. Data is presented as mean (SD)
  2. Data is analyzed using one-way ANOVA with Tukey post hoc test *p value < 0.05
  3. 1The most common AMY1A copy number variant is 6 and is therefore used as the reference group
  4. aMissing data (n = 1)