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. 2011 Jul 11;6(7):e21643. doi: 10.1371/journal.pone.0021643

Table 1. Clinical and demographic characteristics of Alzheimer's subjects and controlsa.

Control AD P Test
n 26 26
Age Range 57–87 61–89
Age, Mean (SD) 73.0 (7.7) 77.2 (6.5) 0.074 WT
% Male 42 46 1 FET
Years Education, Mean (SD) 16.0 (2.6) 14.4 (2.8) 0.062 WT
MMSE, Median (MAD) 29.0 (1.5) 21.0 (3.7) 2.50E-09 WT
Logical Memory I, Median (MAD) 17.0 (4.4) 2.0 (1.5) 1.00E-09 WT
Logical Memory II, Median (MAD) 15.5 (3.7) 0.0 (0.0) 5.10E-10 WT
% Using Statins 27 42 0.38 FET
% with APOE4 Genotype 25% 67% - -
a

WT, Wilcoxon rank-sum test, two-sided; FET, Fisher's exact test, two-sided; SD, standard deviation; MAD, median absolute deviation; MMSE, Mini-Mental State Examination.