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Table 1: 
Demographics and clinical findings
VariableAD (n = 19)Controls (n = 20)P
Sex, F/M9/1010/10>.95*
Age, mean ± SD72.6 ± 6.970.7 ± 6.4.38†
Education, mean ± SD11.3 ± 4.010.9 ± 4.5.76†
MMSE score, mean ± SD18.9 ± 3.929.5 ± 0.9<.0001†
  • Note:—MMSE indicates Mini-Mental State Examination; AD, Alzheimer disease; F, female; M, male.
  • * The P value was obtained by Pearson χ2 2-tailed test, with continuity correction for n < 5.
  • † The P value was obtained by a 2-sample 2-tailed t test.