Table 2 Meta regression of the studies based on variables
Variables | Coefficient | Standard error | 95% Confidence interval | P-value |
|---|---|---|---|---|
Publish year | 0.049 | 0.020 | 0.011, 0.088 | 0.012 |
Mean age | 0.004 | 0.016 | -0.026, 0.034 | 0.798 |
Male (%) | 0.010 | 0.008 | -0.005, 0.025 | 0.189 |
Follow-up (year) | 0.011 | 0.037 | -0.062, 0.083 | 0.773 |