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. 2022 Nov 16;10(32):11753–11765. doi: 10.12998/wjcc.v10.i32.11753

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©The Author(s) 2022. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/

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Changes in visual analog scale and present pain intensity index scores after treatment. A: Visual analog scale scores; B: Present pain intensity index scores. T0 = pretest, T1 = end of the first week after receiving treatment, T2 = end of the second week after receiving treatment, T3 = end of the first week after completing treatment, T4 = end of the fourth week after completing treatment. ^aP < 0.01, experimental group vs control group. CG: Control group; EG: Experimental group; VAS: Visual analog scale; PPI: Present pain intensity index.