Table 1.

Participant demographics and neuropsychological performance.

	Healthy Controls (n=40) Mean (SD)	MCI (n=49) Mean (SD)	p-value
Age	69.45 (4.56)	75.92 (5.39)	<0.001
Gender (Male: Female)	15:25	26:23	0.143
Education (years)	8.00 (4.00)	4.13 (4.04)	<0.001
CMMSE	27.68 (2.51)	24.94 (2.85)	<0.001
CDR - sum of boxes	0.16 (0.43)	1.02 (1.04)	<0.001
ADAS-Cog	6.46 (2.57)	13.59 (3.61)	<0.001
Delayed recall	6.58 (1.47)	2.29 (1.46)	<0.001
CVFT	40.10 (7.58)	31.27 (8.03)	<0.001
Digit span test (forward)	7.50 (1.36)	6.80 (1.44)	0.021
Digit span test(backward)	3.93 (1.65)	2.59 (1.39)	<0.01

ADAS-Cog - Chinese version of the Alzheimer’s Disease Assessment Scale–Cognitive Subscale; CDR - Clinical Dementia Rating; CMMSE - Cantonese version of the Mini-Mental State Examination; CVFT - Category Verbal Fluency Test