Table 1.

Demographic and clinical information of CN-NC, CN-C, MCI, and AD groups.

	CN-NC (n = 116)		CN-C (n = 28)		MCI (n = 90)		AD (n = 145)
	Mean ± SD	Range	Mean ± SD	Range	Mean ± SD	Range	Mean ± SD	Range
Sex (M/F)	53/63		13/15		48/42		84/61
Age (years)	73.98 ± 7.82	58.4–91.4	78.1 ± 6.8	66.7–93.2	72.56 ± 9.16	55.2–97.4	74.94 ± 7.5	56–91
Education (years)	17.02 ± 2.31	12–20	16 ± 2.09	12–20	16.08 ± 2.67	8–20	15.52 ± 2.66	8–20
CDR	0 ± 0	0–0	0 ± 0	0–0	0.52 ± 0.09	0.5–1	0.81 ± 0.35	0.5–2
MMSE	29.03 ± 1.08	26–30	29 ± 1.19	25–30	27.27 ± 2.43	16–30	22.72 ± 3.04	5–29
MoCA Total	24.36 ± 1.77	18–28	24.18 ± 1.89	20–27	22.63 ± 3.47	10–29	18.14 ± 4.75	9–27
MoCA MIS	7.55 ± 2.57	0–13	7.46 ± 3.25	0–12	7.68 ± 3.58	0–14	6.88 ± 3.72	0–15

CN-NC, CN non-converters; CN-C, CN converters; MCI, mild cognitive impairment; AD, Alzheimer’s disease; CDR, Clinical Dementia Rating; MMSE, Mini Mental State Examination; MoCA, Montreal Cognitive Assessment; MIS, Memory Index Score.