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. 2020 Jan 3;99(1):e18629. doi: 10.1097/MD.0000000000018629

Figure 4.

Figure 4

Forest plot of visual analog scale (VAS) scores for leg pain in a meta-analysis on the efficacy and safety of local anesthesia and epidural anesthesia for percutaneous transforaminal endoscopic discectomy. (A) intraoperative VAS score, (B) postoperative VAS score.