Table 2.

Demographic characteristics of the multiple system atrophy patients with normal cognition and with cognitive impairment.

	MSA-NC group (n = 26)	MSA-CI group (n = 18)	p-value
Age (years)	58.7 ± 9.3	61.1 ± 6.5	0.347
Sex (male/female)	12/14	6/12	0.395
Education level (years)	9 (7, 12)	8 (6, 10)	0.076
MMSE score	27 (26, 29)	24 (23, 24)	<0.001
MSA duration (years)	2.0 (1.0, 2.3)	2.0 (0.9, 4.5)	0.089
UPDRS-III score	35.8 ± 18.4	42.5 ± 17.8	0.233

All data are presented as numbers, means ± standard deviations, or medians (interquartile ranges). MSA-NC, multiple system atrophy with normal cognition; MSA-CI, multiple system atrophy with cognitive impairment; MSA, multiple system atrophy; MMSE, Mini-Mental State Examination; UPDRS-III, Unified Parkinson Disease Rating Scale.