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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Neurobiol Aging. 2019 Oct 14;85:131–139. doi: 10.1016/j.neurobiolaging.2019.10.003

Table 1.

Study group characteristics stratified by sex (mean (standard deviation values))

Men Women p
Number 58 48 NA
Age (years) 56.7 (22.5) 53.4 (20) 0.41
MMSE 28.3 (1.7) 28.9 (1.4) 0.051
Education (years) 15.6 (2.9) 16.6 (2.4) 0.054

MMSE: Mini Mental State Examination. The mean and standard deviation (SD) MMSE values were calculated over 101 participants as the MMSE scores of five participants (3 males) were not available, while the mean and SD values of the education years were calculated over 102 participants as the education years of four participants (2 females) were not available. Although the difference in MMSE and educational level between men and women did not formally reach statistical significance, we nevertheless performed analyses correcting for both of these covariates; results were virtually unchanged from those presented in Table 2.