Research Article

Motor Improvement-Related Regional Cerebral Blood Flow Changes in Parkinson’s Disease in Response to Antiparkinsonian Drugs

Table 1

Characteristics of the 30 PD patients and the subgroups according to the presence of dementia.

Total 30 PD patientsPD-ND subgroupPD-D subgroup

n (gender, men: women)30 (19 : 11)16 (9 : 7)14 (10 : 4)
Age when examined (years)73.5 (SD 8.2)71.3 (SD 8.5)76.1 (SD 6.9)
Disease duration (years)6.4 (SD 6.3)4.6 (SD 3.1)8.5 (SD 8.1)
Mean MDS-UPDRS total score in the off-stage (points)65.4 (SD 31.9)54.6 (SD 22.3)78.1 (SD 36.2)
Mean MDS-UPDRS part III score in the off-stage (points)31.8 (SD 17.0)27.6 (SD 12.8)36.6 (SD 19.7)
Daily dosage of antiparkinsonian drugs (LED, mg)445.1 (SD 241.6)469.5 (SD 252.3)417.1 (SD 225.4)
Hoehn and Yahr stage in the off-stage (points)2.6 (SD 0.9)2.4 (SD 0.8)2.7 (SD 0.9)
MMSE, total score (points)25.2 (SD 3.8)28.3 (SD 1.4)21.6 (SD 2.3)
M/C (%)505050
Hallucination (%)471386
Depression and anxiety (%)676964
Orthostatic hypotension (%)636957

Significant difference between the two subgroups (). LED, levodopa equivalent dose; M/C, motor complications; MDS-UPDRS, Movement Disorder Society’s Unified Parkinson’s Disease Rating Scale; MMSE, Mini-Mental State Examination; PD, Parkinson’s disease, PD-D, PD with dementia; PD-ND, PD without dementia; SD, standard deviation.