Significant, non-significant, overall effect, meta-analysis, Funnel plot (visual), Statistical methods, Egger's regression, Begg and Mazumdar’s rank correlation test, Trim-and-fill method, asymmetry test, publication bias, relationship, standardized effect size estimates, log Odds ratio, SMD, precision, inverse of standard error, linear regression method, fit regression line, data points on funnel plot, intercept method (β0), null hypothesis, alternative hypothesis, Begg and Mazumdar’s rank correlation test, correlation between, ranks, variances, Kendall's tau, measure, association