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. 2017 Dec 8;21(1):67–76. doi: 10.1111/ner.12746

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© 2017 The Authors. Neuromodulation: Technology at the Neural Interface published by Wiley Periodicals, Inc. on behalf of International Neuromodulation Society.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Comparison of variance in ED‐NRS during titration and three month follow‐up. Each symbol represents one patient's variance during titration (ED‐NRS Var_titration) divided by variance during the three month follow‐up (ED‐NRS Var_{3 month follow‐up}). The patients are ordered in increasing ratio of ED‐NRS Var_titration to ED‐NRS Var_{3 month follow‐up}. Seventeen of 20 patients had larger variance in ED‐NRS during titration, indicating that ED‐NRS was more stable on the optimal setting used during three month follow‐up.