Table 4.

Scores on PDQ-39 subscales pre-surgery and post-surgery for the STN and GPi groups

PDQ-39 subscales	STN (n = 20)			GPi (n = 22)
	Pre-surgery	Post-surgery	Difference	Pre-surgery	Post-surgery	Difference
Mobility	49.3 (24.5)	43.8 (26.7)	−5.5	48.6 (19.0)	32.3 (23.2)	−16.3
ADLs	41.9 (20.4)	39.4 (26.4)	−2.5	40.5 (18.2)	25.4 (17.9)	−15.1
Emotion	31.9 (21.8)	26.3 (25.3)	−5.6	30.1 (22.4)	13.6 (14.2)	−16.5
Stigma	23.5 (20.6)	15.6 (19.2)	−7.9	38.7 (19.1)	14.5 (21.0)	−24.2
Social support	13.7 (16.9)	16.3 (18.0)	+2.6	19.7 (19.5)	9.5 (18.8)	−10.2
Cognition	31.6 (19.4)	23.1 (19.1)	−8.5	34.4 (25.4)	22.7 (24.0)	−11.7
Communication	32.1 (21.3)	34.6 (21.3)	+2.5	36.0 (21.0)	31.4 (22.7)	−4.6
Discomfort	49.6 (20.9)	35.0 (22.7)	−14.6	44.3 (23.2)	31.1 (25.9)	−13.2
PDQ-SI	34.2 (13.3)	29.2 (16.4)	−5.0	36.5 (15.7)	22.6 (14.8)	−13.9

PDQ-SI Parkinson’s Disease Questionnaire summary index

Values are given as the mean with the standard deviation (SD) in parenthesis