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. 2026 Jul 13;17:1887582. doi: 10.3389/fpsyg.2026.1887582

Figure 4.

Forest plot of the influence-adjusted multilevel meta-analysis including 29 studies and 34 effect sizes. Purple points and horizontal lines represent study-level estimates and 95% confidence intervals. The pooled standardized mean difference is −0.88 (95% CI, −1.18 to −0.58), favoring traditional Chinese mind–body exercise. The green dashed line above represents the 95% prediction interval, ranging from −2.46 to 0.70.

Forest plot of the effects of traditional Chinese mind–body exercises on depressive symptoms in middle-aged and older adults. The model included 29 studies and 34 effect sizes. SMD, standardized mean difference; CI, confidence interval; I2, heterogeneity statistic. Statistical significance was defined as a 95% confidence interval (95% CI) that did not include zero; k indicates the number of effect sizes rather than the number of independent trials.