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. 2017 Jul 19;12(7):e0181523. doi: 10.1371/journal.pone.0181523

Table 1. Demographic characteristics of the first set.

CNc
(n = 30)
CNv
(n = 30)
AD
(n = 31)
Statistics
Age (Mean(SD)) 67.9(6.3) 68.4(5.9) 73.0(6.2) F(2, 88) = 6.45**
Female (%) 56.7 46.7 64.5 χ2 = 1.98
Education (Mean(SD)) 12.0(4.0) 11.3(4.4) 11.5(3.9) F(2, 88) = 0.22

Note. CNc, cognitively normal calculation group; CNv, cognitively normal validation group; AD, Alzheimer’s disease dementia; SD, standard deviation.

**p < .01