. Author manuscript; available in PMC: 2019 May 7.

Published in final edited form as: Ann Neurol. 2019 Mar 13;85(4):538–549. doi: 10.1002/ana.25430

Table 2.

Mean (±SD) values of demographic, clinical, and cognitive data. Gender distribution is presented as proportions. Levels of statistical differences between groups are also presented.

	PD without FoG (n=79)	PD with FoG (n=15)	Statistical significance
Age	66.9±6.8	73.1±9.4	t=3.1; P=0.003
Gender (females/males)	20/59	2/13	Chi²=1.0; P=0.32
Duration of motor disease (years)	5.4±4.5	9.1±3.7	t =3.8; P=0.0003
Hoehn and Yahr stage	2.3±0.5	3.2±0.6	t=6.1; P<0.0001
Motor MDS-UPDRS	31.2±12.6	48.5±10.7	t =5.0; P<0.0001
Montreal Cognitive Assessment	26.8±2.7	23.5±4.7	t =3.2; P=0.0019
Acting out dreams (yes/no)	43/36	7/7 (n=14)	Chi²=0.4; P=0.004
LED (mg/d)	579.1±366.3	1,057.9±3,12.0	t =4.7; P<0.0001