Diagnostic value of amygdala volume on structural magnetic resonance imaging in Alzheimer’s disease

Table 1 Demographics characteristics of all participants

Characteristics	AD, n = 22	Control, n = 26	P value
Age (yr)	74.7 ± 8.9	70.8 ± 8.5	0.121
Gender (female/male)	11/11	14/12	0.792
Education (yr)	5.1 (4.6-11.2)	6.2 (3.1-10.9)	0.853
CDR (0/1/2/3)	0/4/10/8	26/0/0/0	-
MMSE	13.6 ± 8.0	27.8 ± 1.5	< 0.0011
Onset times (yr)	3.8 (2.5-8.5)	-	-

¹P values were calculated by Student’s t-test.

²P values were calculated by χ² test.

³P values were calculated by Mann-Whitney U test. P < 0.05 was considered statistically significant. AD: Alzheimer’s disease; CDR: Clinical Dementia Rating; MMSE: Mini Mental State examination.