Table 3. Heterogeneity measure.
| Measure | Estimate | Lower Bound | Upper Bound |
| tau^2 | 0 | 0 | >100.0000 |
| tau | 0 | 0 | >10.0000 |
| I^2(%) | 0 | 0 | >97.9720 |
| H^2 | 1 | 1 | >49.3097 |
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