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. 2014 Feb 13;9(2):e89078. doi: 10.1371/journal.pone.0089078

Table 1. Demographic Data for Participant Groups.

Age (in years) Education (in years) MMSE (scores)
Group N M SD M SD M SD
NC 31 62.55* 6.20 11.61 6.18 28.22* 1.89
MCI 55 69.11* 7.47 8.45 6.59 25.65* 3.22
AD 52 74.06 8.06 8.45 6.64 20.09 4.99

Abbreviations; N, number of participants; M, Mean; SD, Standard deviation; NC, Normal Controls; MCI, Mild Cognitive Impairment; AD, Alzheimer’s disease; MMSE; Mini Mental Status Examination.

Note.

*p<0.05 for NC versus MCI.

p<0.05 for NC versus AD.

p<0.05 for MCI versus AD.