Table 1.

Comparison of demographic and clinical characteristics among groups of multiple system atrophy patients with and without constipation.

	Patients without Constipation (n = 22)	Patients with Constipation (n = 29)	p Value
Age (years)	65.3 ± 9.5	65.2 ± 11.1	0.434
Male (%)	40.9	56.5	0.503
Disease duration (years)	4.0 ± 2.7	4.9 ± 3.3	0.328
MMSE	26.6 ± 3.6	26.9 ± 2.5	0.718
LED (mg/day)	189.8 ± 344.3	244.3 ± 284.8	0.497
Laxative use (%)	22.7	55.2	0.019
Anti-cholinergic use (%)	0	0	n.s.

Data are presented as the mean ± SD. LED, levodopa equivalent dose; MMSE, Mini-Mental State Examination; n.s., not significant.