Table 5 Meta-regression analysis for exploring heterogeneity among studies.
Not at-risk population | At-risk population | |||||
---|---|---|---|---|---|---|
Coefficient | SE | P-value | Coefficient | SE | P-value | |
Year of study | 0.0016 | 0.003 | 0.556 | 0.00 | 0.0001 | 0.656 |
Sample size | 0.00 | 0.00 | 0.497 | 0.00 | 0.00 | 0.856 |
Age | − 0.0020 | 0.0007 | 0.016* | 0.00 | 0.00 | 0.169 |
Gender | 0.004 | 0.002 | 0.042* | 0.00 | 0.00 | 0.433 |