Table 2. Demographic data for participant groups according to Trail Making sets.

Analysis of variance (ANOVA) was used to assess difference among clinical groups.

^*p<0.05 for NC versus MCI, ^†p<0.05 for NC versus AD, ^‡p<0.05 for MCI versus AD.

AD: Alzheimer's disease, M: mean, MCI: mild cognitive impairment, MMSE: Mini Mental Status Examination, n: number of participants, NC: normal controls, SD: standard deviation.