Table 1.

Subject demographics and dementia status in baseline and 12, 24 months.

Group	Sample Size	Gender (M/F)	Age (Years)	MMSE			CDR
				Baseline	12 months	24 months	Baseline	12 months	24 months
NC	72	38/34	76.06 ± 5.61 (59.9~89.6)	29.16 ± 0.94 (26~30)	28.97 ± 1.41 (24~30)	29.22 ± 0.97 (27~30)	0.02 ± 0.10 (0~0.5)	0.07 ± 0.32 (0~2)	0.20 ± 0.53 (0~4)
sMCI	40	24/16	74.58 ± 6.60 (61~86.4)	27.26 ± 1.76 (24~30)	27.43 ± 2.14 (23~30)	26.93 ± 2.49 (22~30)	1.39 ± 0.57 (0.5~2.5)	1.77 ± 1.00 (0.5~5)	2.08 ± 1.41 (0.5~7)
cMCI	46	34/12	74 ± 7.36 (55.2~87.7)	26.38 ± 1.77 (24~30)	24.75 ± 2.73 (17~30)	22.92 ± 3.58 (11~30)	1.64 ± 1.02 (0.5~5)	2.68 ± 1.19 (0.5~6)	4.39 ± 1.18 (1.5~7)