Table 2: Study characteristics. -values were assessed by the two-tailed -test except gender where chi square was used. Gr 4 is group 4 Dementia. Gr 2 and MCI-s are stable MCI. MCI-c is converting MCI. Gr 2 and Gr 4 had significantly lower scores than the group specified in the cell for the pertaining variable; for example, Gr 2 (stable MCI) had significantly lower age than group 4 (dementia group). There was no significant difference in gender.

1 Controls 2 MCI-s3 MCI-c4 Dementia Gr 2Gr 4
Mean SDMeanSDMeanSDMean SD

Age 66.5 8.263.97.265.67.267.6 8.0 4
Education years 11.7 2.311.83.412.64.510.4 3.72
MMSE 29.3 0.428.31.928.41.725.3 2.91, 2, 3

Count CountCountCount

Gender M/F 9/19 31/386/321/25 ns