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Table 3 Calculated data extracted from the included studies to assess heterogeneity in the meta-analysis searching for an association between T. gondii and diabetes mellitus using both fixed and random effect models

From: The association between Toxoplasma gondii and type 2 diabetes mellitus: a systematic review and meta-analysis of human case-control studies

Model Effect size and 95% interval Test of null (two-tail) Heterogeneity
Number of studies Point estimate Lower limit Upper limit Z value p value Q value df (Q) p value I2 (%, 95% CI)
Fixed 10 2.57 2.22 2.99 12.40 < 0.001 38.566 9 < 0.0001 76.66 (56.96–87.35)
Random 10 2.32 1.66 3.24 4.92 < 0.001