Table 1.

Demographics and clinical data of the subjects

	TD (n = 42)	ARD (n = 42)	Control (n = 42)
Age (years)	60.26 ± 7.78	62.35 ± 8.12	62.12 ± 8.01
Sex	25 M, 17 F	24 M, 18 F	24 M, 18 F
Disease duration (years)	4.78 ± 3.82	5.41 ± 3.36	–
UPDRS III (off medication)	19.52 ± 7.24	20.32 ± 6.89	–
H&Y (off medication)	1.89 ± 0.64	1.95 ± 0.71	–
MMSE	28.68 ± 1.59	28.36 ± 1.73	29.02 ± 1.32
Levodopa dosage (mg/day)	344.76 ± 143.89	388.72 ± 161.09	–
Tremor score	5.93 ± 3.41	–	–
Akinetic–rigidity score	–	11.92 ± 6.14	–

TD, tremor‐dominant; ARD, akinetic‐/rigid‐dominant; M, male; F, female; UPDRS, Unified Parkinson's Disease Rating Scale; H&Y, Hoehn and Yahr Staging; MMSE, mini‐mental state examination.

Data are presented as mean ± SD.