Table 1. The demographics and characteristics of the selected population.

Group	Number	Sex	Age	MMSE	Number of scanning protocols
AD	80	38M/42F	77.1±5.5 [57–89]	23.1±1.9 [20]–[26]	42
MCI	141	80M/61F	75.5±6.4 [57–90]	27.0±1.6 [24]–[30]	47
NC	142	73M/69F	76.5±7.2 [57–92]	29.2±0.9 [25]–[30]	50
Differences
AD vs. NC	/	P = 0.675	p>0.05	p<0.0001
MCI vs. NC	/	P = 0.404	p>0.05	p<0.0001

The between-group differences in age and MMSE were assessed with the student's t-test. The differences in gender were evaluated by a two-sided Pearson Chi-Square test.