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Table 5 Univariate and multivariate meta-regression analyses of potential sources of heterogeneity

From: A meta-analysis on the prevalence, associated factors and diagnostic methods of mental stress induced myocardial ischemia

Heterogeneity Factors exp(b) SE t P 95% CI tau2 I-squared_res Adj R-squared
Univariate
 Publication year 0.9977 0.0038 − 0.61 0.549 0.9896, 1.0058 0.0216 93.69% − 4.07%
 Sample size 0.9996 0.0002 − 1.29 0.215 0.9992, 1.0002 0.0200 92.70% 3.56%
 Country 0.9433 0.0815 − 0.68 0.508 0.7867, 1.1311 0.0214 94.23% − 3.41%
 Mental stress 1.0508 0.0201 2.59 0.018 1.0094, 1.0938 0.0151 88.73% 26.96%
 Diagnostic techniques 1.0395 0.0200 2.01 0.060 0.9983, 1.0825 0.017 89.82% 17.71%
 Diagnostic measurements 1.0187 0.0282 0.67 0.512 0.9611, 1.0797 0.0212 93.95% − 2.46%
Multivariate       0.0151 87.62% 26.97%
 Mental stress 1.0433 0.0260 1.70 0.108 0.9896, 1.0999    
 Diagnostic techniques 1.0145 0.0239 0.61 0.551 0.9650, 1.0665    
 Diagnostic measurements 1.0263 0.0250 1.07 0.302 0.9747, 1.0807