Table 1

 Descriptive characteristics of patient groups

Group 1 (n = 21)Group 2 (n = 21)p Value
Values are mean (SD) or n where specified.
*Student’s t test for independent samples.
†χ2 test.
‡Fisher’s exact test.
ADL, activities of daily living; BDI, Beck depression inventory; HDRS, Hamilton rating scale for depression; MMSE, mini-mental state examination; UPDRS, unified Parkinson disease rating scale.
Age (years)65.3 (7.8)66.0 (8.5)0.779*
Male (n)11150.204†
Female (n)106
MMSE24.8 (4.5)24.1 (3.6)0.597*
Depression features
HDRS25.6 (6.5)25.6 (7.5)0.775*
BDI25.1 (9.7)24.5 (8.8)0.843*
Major depression (n)17161.000‡
Minor depression (n)45
Motor threshold, mean
Initial (% output TMS)57.0 (11.1)54.4 (8.5)0.774*
Parkinsonian features
Age at onset (years)58.8 (8.5)57.5 (8.9)0.621*
Onset side
    Right (n)1070.345†
    Left (n)1114
UPDRS34.6 (15.3)38.1 (17.8)0.505*
ADL74.3 (18.3)70.9 (21.4)0.591*
Hoehn and Yahr score2.1 (1.2)2.1 (1.2)1.000*
    1 (n)890.927†
    2 (n)65
    3 (n)32
    4 (n)45
Drugs
    Levodopa (n)18/2116/210.697‡
    Daily dose (mg)472.2 (145.8)546.9 (198.3)0.217*