Table 2: Patient Global Impression of Change Scale (PGIS) and Clinician’s Global Impression of Change Scale (CGIS) results by various categorical predictors.

% PGIS much improved or very much improved (proportion) value% CGIS much improved or very much improved (proportion) value

Tremor76.9% (20/26)0.756684.0% (42/50)0.0075
No tremor82.1% (32/39)60.0% (42/70)

Dyskinesia83.7% (36/43)0.516764.2% (52/81)0.0380
No dyskinesia75.0% (18/24)83.7% (36/43)

Freezing78.8% (26/33)0.759161.9% (39/63)0.0315
No freezing82.4% (28/34)80.3% (49/61)

Falls/balance75.0% (21/28)0.368866.1% (41/62)0.3218
No falls/balance84.6% (33/39)75.8% (47/62)

Left unilateral75.0% (6/8)1.000063.6% (7/11)1.0000
Right unilateral77.8% (14/18)67.6% (23/34)

Unilateral76.9% (20/26)0.790666.7% (30/45)0.7741
Two-stage bilateral81.5% (22/27)73.1% (38/52)
Unstaged bilateral85.7% (12/14)73.1% (19/26)