Table 1.

Demographics and clinical data

	Amnestic AD (n=15)	Non-amnestic AD (n=19)	Controls (n=14)	Amnestic vs controls	Non-amnestic vs controls	Amnestic vs non-amnestic
Age at onset (years)	56.1 ± 9.0	55.7 ± 7.5	N/A	N/A	N/A	ns
Age at EEG (years)	60.6 ± 9.7	60.5 ± 6.7	64.5 ± 5.6	*	ns	ns
Disease duration (years)	5.1 ± 2.4	5.3 ± 1.9	N/A	N/A	N/A	ns
Female (%)	64.3	57.9	64.3	ns	ns	ns
Education (years)	15.9 ± 2.5	16.5 ± 2.8	17.4 ± 1.9	ns	ns	ns
CDR at EEG time (%)	0.86 ± 0.4	0.84 ± 0.4	0 ± 0	**	**	ns
Normal	0	0	100	N/A	N/A	N/A
MCI	43	36.9	0	N/A	N/A	N/A
Mild dementia	50	57.9	0	N/A	N/A	N/A
Moderate dementia	7	5.2	0	N/A	N/A	N/A
CDR SoB at EEG time	5.4 ± 2.3	4.6 ± 2.3	0 ± 0	**	**	ns
MMSE at EEG time	21.1 ± 5.7	22. ± 4.5	29.5 ± 0.8	**	**	ns
Anticholinesterase Inhibitors (%)	80	89.5	0	**	**	ns
SSRI Antidepressants (%)	46.7	42.1	7.1	*	*	ns
Epileptiform activity (%)	20	26.3	0	P=0.07	*	ns

Data are shown as mean ± SD

Significance

^*P<0.05

^**P<0.01

ns, non-significant; N/A, not applicable

Abbreviations: CDR, Clinical Dementia rating; CDR-SoB, CDR Sum of Boxes; MMSE, Mini Mental State Examination; SSRI, Selective serotonin reuptake inhibitors