. Author manuscript; available in PMC: 2015 Mar 20.

Published in final edited form as: Acad Radiol. 2012 Feb 18;19(5):512–517. doi: 10.1016/j.acra.2012.01.006

Table 1.

Means and standard deviation of descriptive variables for each group

Characteristics	Healthy control	Very mild dementia	Mild dementia
Number	98	70	28
Age (years)	75.9 (9.0)	76.2 (7.0)	77.8 (7.0)
Sex (Male/Female)	26/72	31/39 ^*	9/19
Education (years)	14.5 (2.9)	13.8 (3.2)	12.9 (3.2)
MMSE score	29.0 (1.2)	25.6 (3.2) ^*	21.7 (3.8) ^**
eTIV (cm³)	1438.9 (150.2)	1485.4 (186.6)	1481.6 (120.8)

MMSE: mini mental state examination

eTIV: estimated total intracranial volume

Very mild dementia group is different from Healthy control group, p< .05.

^**

Mild dementia group is different from Very mild dementia group, p< .05.