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From:
Published online 2007 January 8. doi: 10.1136/jnnp.2006.102061
Table 1 Neuropsychological and neurological data at baseline and at follow‐up
Baseline (0 wk)FU 1 (26 wk)FU 2 (52 wk)FU 3 (156 wk)FU 4 (157 wk)FU 5 (163 wk)FU 6 (180 wk)
Stimulation parameters
 Contacts, right/left monopolar1‐/1‐2‐1‐/1‐2‐1‐/1‐2Off3‐/2‐3‐3‐/2‐3‐
 Amplitude (V) right/left3.2/2.53.2/2.53.2/2.52.6/2.52.6/2.5
 Pulse width (μs)6060606060
 Frequency (Hz)185185185130130
 UPDRS‐III (off/on)56/3421/1321/13/1422//18
 H&Y (off/on)3/33/2,53/2,5/2,53//2
Medication
 Pergolide (mg)6–8432220
 LEU880750510760760760560
Executive function
 Category fluency (T)47434437463335
 COWAT letter fluency (T)52515055566063
 Stroop colour–word (T)39334434283237
 Trailmaking B (T)49516042474456
 PASAT number correct47332529393838
Memory
 AVLT immediate recall (T)51373837333745
 AVLT delayed recall (T)46303431353539
Decision‐making
 IGT disadvantageous choices%34567870
 Go/no go commission errors%48436877
Questionnaires
 DEX Questionnaire self/proxy11/2310/296/2215/4211/569/5010/28
 PDQL877170666670
 MADRS893799

AVLT, Auditory Verbal Learning Test; COWAT, Controlled Oral Word Association Test; DEX, Dysexecutive Questionnaire; FU, Follow‐up; H&Y, Hoehn and Yahr scale; IGT, Iowa Gambling Task; LEU, levodopa equivalent unit; MADRS, Montgomery and Asberg Depression Rating Scale; PASAT, Paced Auditory Serial Addition Test; PDQL, Parkinson's Disease Quality of Life; T, normally distributed score with a mean of 50 and SD of 10, corrected for age and education; UPDRS, Unified Parkinson's Disease Rating Scale.

Significant changes in cognitive test scores (compared with baseline) are printed in bold typeface.