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. 2020 May 27;87(6):1139–1147. doi: 10.1093/neuros/nyaa201

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© Congress of Neurological Surgeons 2020.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs licence (https://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reproduction and distribution of the work, in any medium, provided the original work is not altered or transformed in any way, and that the work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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FIGURE. — Acute effects of unilateral STN stimulation on TUG performance and UPDRS total score and axial score at 12-mo follow-up. Patients were assessed at baseline and 12-mo follow-up using GPi+STN+/GPi–STN+/GPi–STN– stimulation and medication on/off. Means are plotted with the error bar representing the standard deviation. A, Effects of stimulation on TUG performance in off-medication condition. B, Effects of stimulation on TUG performance in on-medication condition. C, Effects of stimulation on UPDRS total score and axial score in off-medication condition. D, Effects of stimulation on UPDRS total score and axial score in on-medication condition.*P < .05 and **P < .01 indicate significant difference between conditions. This figure has been previously presented at the 2019 Annual Meeting of the Congress of Neurological Surgeons in San Francisco, California in association with presentation of the abstract by Zhang et al.¹⁷