Ropinirole group (n = 14)

Pramipexole group (n = 24)

P value

Duration of PD

8.8 ± 3.8

8.5 ± 5.8

0.55

Hoehn-Yahr stage

3.2 ± 0.7

3.1 ± 0.9

0.87

Agonist dose (mg/day)

10.8 ± 3.7

2.1 ± 0.6

0.99

L-DOPA (mg/day)

550 ± 175

348 ± 118

0.001

Wearing-off phenomenon (%)

21.4

8.3

0.26

Major PD symptoms (%)

35.7

33.3

0.67

Psychotic manifestations (%)

21.4

8.3

0.61