TABLE 3.

Group means and standard deviation (SD) of demographical and neuropsychological characteristics of the 50 subjects selected for EEG and graph analysis.

	Non-SCD	SCD	p
	n = 24 Men/Women: 10/14 Mean (S.D)	n = 26 Men/Women: 9/17 Mean (S.D)
Age	68.92 ± 4.76	71.46 ± 8.06	0.09
Education (years)	13.62 ± 3.16	14.46 ± 3.08	0.39
Composite score	−0.61 ± 0.06	1.15 ± 0.16	<0.0001
Neuropsychological tests
MMSE	29.62 ± 0.64	29.31 ± 1.15	0.24
RL/RI-16 test
Free recall	12.34 ± 1.32	10.09 ± 2.20	0.05
Recognition	15.83 ± 0.38	15.57 ± 1.11	0.28
Rey-Osterrieth Complex Figure recall	20.11 ± 7.95	19.46 ± 7.85	0.77
Verbal Fluency test
Category	35.96 ± 8.04	31.35 ± 8.54	0.08
Letter	23.95 ± 6.98	21.57 ± 6.21	0.25
Trail Making Test
Form A	38.75 ± 2.24	40.69 ± 1.77	0.41
Form B	79.14 ± 5.83	78.82 ± 6.17	0.47
Stroop	41.51 ± 8.14	46.46 ± 7.71	0.56
Digit Span backward	4.08 ± 0.71	4.11 ± 0.76	0.87
Boston Naming Test	55.79 ± 3.78	56.38 ± 3.73	0.58