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Test for overall combined effect size.
| Model | Sample Size | Heterogeneity Test | Total Effect Size Test | SMD | 95% CI | ||
|---|---|---|---|---|---|---|---|
| I2 | p | Z | p | ||||
| Random-Effect Model | 10 | 92% | <0.00001 | 4.22 | <0.0001 | 1.4 | 0.75–2.05 |
I2: I squared statistic; Z: overall effect; SMD: standardized mean difference.
