Table 3 of Ma, Mol Vis 2014; 20:1434-1442.


Table 3. Univariate and multivariate meta-regression analyses of potential source of heterogeneity.

Heterogeneity factors Coefficient SEM Z P 95%CI
LL UL
Publication year
Univariate −0.063 0.070 −0.89 0.371 −0.200 0.075
Multivariate −0.043 0.198 −0.22 0.828 −0.432 0.346
Ethnicity
Univariate −0.169 0.171 −0.99 0.323 −0.505 0.166
Multivariate −0.427 0.948 −0.45 0.653 −2.285 1.431
Country
Univariate −0.052 0.070 −0.74 0.461 −0.189 0.086
Multivariate 0.180 0.482 0.37 0.708 −0.764 1.124
Source of controls
Univariate −0.104 0.162 −0.64 0.521 −0.421 0.214
Multivariate −0.167 0.639 −0.26 0.794 −1.421 1.086
Sample size
Univariate 0.163 0.143 1.14 0.255 −0.118 0.444
Multivariate 0.042 0.491 0.09 0.931 −0.920 1.005