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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: J Pain. 2019 May 23;21(1-2):2–24. doi: 10.1016/j.jpain.2019.05.008

Figure 3:

Figure 3:

Forest plots of studies reporting associations between polymorphisms and chronic post-surgical pain that were included in the meta-analysis are presented. Individual effect sizes of the studies included for the particular variant allele and fixed effect (FE) model odds ratios are presented with 95% confidence intervals (CI). For COMT rs4680 variant, 3 models were investigated (presented in table 3). Forest plot of dominant model (with least heterogeneity among them) is presented in this figure.