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Table 2 Demographic and main clinical characteristics of education-based groups

From: Metabolic correlates of reserve and resilience in MCI due to Alzheimer's Disease (AD)

Characteristicsa Low-EDUC (n = 33) Average-EDUC (n = 33) High-EDUC (n = 33) Except-EDUC (n = 34)
Age, years 74.1 ± 4.9 75.4 ± 7.2 73.6 ± 3.2 71.3 ± 10
Sex     
 Male 13 8 19 23
 Female 20 25 14 11
Education, years 6.1 ± 1.0 8.9 ± 1.4 12.4 ± 2.3 17.4 ± 1.0
Baseline NPS     
 MMSE 26.7 ± 3.9 26.0 ± 2.6 27.2 ± 2.3 27.3 ± 1.9
ΔMMSE score/year − 1.2 ± 1.3 − 1.6 ± 1.5 − 0.9 ± 0.8 − 1 ± 0.8
  1. Abbreviations: MMSE Mini Mental State Examination, ΔMMSE Mini Mental State Examination reduction, NPS Neuropsychology
  2. Data are presented as mean ± SD
  3. aThe whole group (n = 133) was divided into quartiles: Low-EDUC, first quartile; Average-EDUC, second quartile; High-EDUC, third quartile; and Except-EDUC, fourth quartile