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. 2016 Aug 19;95(33):e4576. doi: 10.1097/MD.0000000000004576

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Copyright © 2016 the Author(s). Published by Wolters Kluwer Health, Inc. All rights reserved.

This is an open access article distributed under the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/4.0

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Postoperative visual analog scale (VAS) score at different time points. (A) VAS score at rest (at 2-hour time point: ∗P = 0.0299, propofol/remifentanil/Ringer solution [PRR] group vs propofol/remifentanil/dexmedetomidine with [PRD_W] group; ∗P = 0.0476, PRR group vs propofol/remifentanil/dexmedetomidine without [PRD_o] group. At 16-hour time point: ∗P = 0.0323, PRR group vs PRD_W group. At 24-hour time point: ∗P = 0.5252, PRR group vs PRD_W group; ∗P > 0.9999, PRR group vs PRD_o group). (B) VAS score at movement (at 16-hour time point: ∗P = 0.0212, PRR group vs PRD_W group; ∗P = 0.0305, PRR group vs PRD_o group. At 24-hour time point: ∗P = 0.0156, PRR group vs PRD_W group; ∗P = 0.0165, PRR group vs PRD_o group).