Table 2.

Demographics and neuropsychological ANOVA test between groups.

	HC subjects (n = 16)		MCI subjects (n = 12)		AD subjects (n = 14)		p-value
	mean	SD	mean	SD	mean	SD
Age	69	5.13	73.58	6.18	70.36	5.56	0.108
Sex (% female)	75	0.44	67	0.49	71	0.46	0.897
Education	8.56	4.42	7.92	4.27	7.43	2.76	0.729
MMSEa	28.13	1.43	24.64	2.03	20.70	2.71	<0.001*
TMT-Aa,c	47.63	12.04	78.55	22.83	112.92	43.78	<0.001*
TMT-Bb,c	102.31	40.69	147.82	121.60	336.43	281.70	0.004*
MPb	11.88	1.75	8.35	4.22	5.45	2.52	<0.001*
ROCF-copya	33.84	2.04	32.40	7.44	29.77	5.76	0.133
ROCF-recb	14.22	2.73	13.83	4.00	7.17	5.69	<0.001*
CF	14.60	2.26	14.25	3.99	11.27	2.73	0.009*
SFb	28.77	3.09	27.95	7.40	20.50	6.06	0.003*

The table reports, for the AD, MCI, and HC groups, the score values (mean and SD) for different neuropsychological test comprising the mini mental state examination (MMSE), trial making test part A and B (TMT-A and TMT-B), memory for prose (MP), category fluency (CF) and semantic fluency (SF), Rey complex figure copy test (ROCF-copy) and Rey complex figure recall (ROCF-rec). p-values show statistically significant differences between the HC, MCI and AD groups.

^*p < 0.01 threshold for statistically significant difference between groups.

^aMissing data of 1–2 subjects.

^bMissing data of 3–10 subjects.

^cLower scores indicate better (faster) performance.