. 2018 Jan 28;18:167–177. doi: 10.1016/j.nicl.2018.01.019

Table 1.

Sociodemographic, clinical and biomarkers measures divided by MCI sub-type at baseline.

SAMPLE		Total	aMCI	NaMCI	md aMCI	md naMCI	p-value
N		80	31	8	35	6	–
Gender	M/F	37/43	17/14	5/3	13/22	2/4	ns
Age (years)	Mean	70.03	70.39	73.05	69.81	65.33	ns
Age (years)	SD	7.29	6.29	8.92	7.08	10.61
Education (years)	Mean	9.69	10.50	9.75	9.44	6.67	ns
Education (years)	SD	3.84	4.13	4.68	3.40	2.16
MMSE	Mean	25.60	25.93	25.79	25.18	26.03	ns
MMSE	SD	2.73	2.81	3.16	2.62	2.66
Aβ42 < 500 (ng/l)	Mean	562.76	609.81	498.38	510.74	701.09	ns
Aβ42 < 500 (ng/l)	SD	289.39	333.97	317.16	225.76	313.63
t-Tau > 450 (ng/l)	Mean	488.40	534.84	546.39	460.31	332.63	ns
t-Tau > 450 (ng/l)	SD	375.10	414.30	193.56	394.39	152.06
p-Tau > 61 (ng/l)	Mean	70.77	78.07	94.18	61.61	52.50	ns
p-Tau > 61 (ng/l)	SD	35.69	36.23	39.55	32.79	22.49
t-Tau/Aβ42	Mean	1.16	1.26	1.41	1.12	0.54	ns
t-Tau/Aβ42	SD	1.07	1.19	0.77	1.08	0.34
p-Tau/Aβ42	Mean	0.17	0.19	0.26	0.14	0.09	ns
p-Tau/Aβ42	SD	0.13	0.15	0.17	0.11	0.04
FDG SPM AD	n	43	14	5	22	2	ns
FDG SPM FTD	n	17	9	2	5	1	ns
FDG SPM DLB	n	1	0	0	1	0	ns
FDG SPM negative	n	19	8	1	7	3	ns

Abbreviations: MCI = mild cognitive impairment, aMCI = amnestic (single-domain) MCI, md aMCI = multi-domain amnestic MCI, naMCI = non-amnestic (single-domain) MCI, md naMCI = multi-domain non-amnestic MCI, SD = standard deviation, AD = Alzheimer's disease, FTD = frontotemporal lobar degeneration, DLB = dementia with Lewy bodies, n = number. Statistical differences were assessed performing ANOVA and Chi-square analyses.