Table 4.
Meta-analyses effect analysis values of included studies, homogeneous distribution value, average effect size, and confidence intervals.
| Model | Effect size and 95 % interval |
Test of null (2-Tail |
Heterogeneity |
Tau-squared |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model | Number of Studies | Point of estimate | Lower limit | Upper limit | Z-value | P-value | Q-value | df (Q) | P-value | I-squared | Tau Squared | Standard error | Variance | Tau |
| Fixed | 64 | 0.290 | 0.286 | 0.293 | −101.757 | 0.000 | 6993.202 | 63 | 0.000 | 99.099 | 0.562 | 0.160 | 0.026 | 0.750 |
| Random | 64 | 0.215 | 0.185 | 0.249 | −13.238 | 0.000 | ||||||||