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. 2017 Jul 12;45(5):1602–1612. doi: 10.1177/0300060517708102

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© The Author(s) 2017

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 3. — (a) Meta-analysis of the mean difference of the changes of ADL scores postoperation in STN stimulation vs.GPI stimulation. There is no significant difference between the two groups, with a mean difference of −1.1, 95%CI [−2.6 to 0.4]; (b) Meta-analysis of the mean difference of the reduction of LEDs postoperation in STN stimulation vs. GPI stimulation. This meta-analysis showed a mean difference across the two groups of 130.24, 95% CI (28.82, 231.65), clearly favouring STN.