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. 2021 Oct 1;34(4):487–500. doi: 10.3344/kjp.2021.34.4.487

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© The Korean Pain Society, 2021

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 6 — Forest plot of pain score at rest at 0, 2, 4, 8, 12, 24, and 48 hours. ESPB: erector spinae plane block, SD: standard deviation, IV: inverse variance, CI: confidence interval, df: degree of freedom.