Table 1.

Baseline characteristics

Parameters	Cases (n = 56)	Controls (n = 53)	P
Men	38	43	0.11000
Age range	34-77	39-75
Duration of disease range	6-15	6-15
Mean age	57.80 ± 9.60	56.64 ± 8.22	0.77000
Mean disease duration	9.62 ± 2.48	9.16 ± 2.94	0.39000
Mean UPDRS III score in “off” state	32.90 ± 11.40	43.20 ± 7.90	< 0.00010
Mean UPDRS III score in “on” state	8.80 ± 3.70	9.80 ± 5.50	0.27000

UPDRS: Unified PD Rating Scale