Table 1.

Demographics of patients with MSA-C and SCA.

	Total (n = 684)	SCA (n = 398, 59.43%)	MSA-C (n = 286, 40.57%)	p value
Age of onseta	47.13 ± 13.00	41.4 ± 12.66	55.72 ± 7.71	< 0.001
Age at MRI examinationa	52.96 ± 12.19	48.81 ± 13.17	58.73 ± 7.56	< 0.001
Sexb
Female	365	218	147	0.431
Male	319	180	139

^aMann–Whitney test. ^bChi-square test.

Numeric data are presented as mean ± standard deviation.

MSA-C multiple system atrophy, cerebellar type; SCA spinocerebellar ataxia.