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| Parameters | Coefficient | Standard errors | t | P>|t| | [95% Conf. Interval] |
| Constant | 6.64 | 1.82 | 3.63 | 0.001 | [2.86 , 10.42] |
| Age | -0.10 | 0.03 | -3.11 | 0.005 | [-0.17 , -0.03] |
| Meta-regression | Number of obs= 25 | ||||
| REML estimate of between-study variance | Tau2 = 0.3415 | ||||
| % residual variation due to heterogeneity | I-squared_res = 77.67% | ||||
| Proportion of between-study variance explained | Adj R-squared = 26.67% | ||||
