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Forest plot of comparisons of the effect size between dextrose prolotherapy and the reference treatments: (A) the pooled result from four randomized controlled trials comparing dextrose with other injections; (B) the pooled result comparing dextrose and exercise; and (C) the subgroup analysis based on different comparative injectates and (D) the affected joints.
Abbreviations: ES, effect size; CI, confidence interval; OA, osteoarthritis.
