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Table 3 Computed Random effect size, CI95 and Q value (Heterogeneity test).

From: Effects of low power laser irradiation on bone healing in animals: a meta-analysis

Model Effect size and 95% confidence interval Test of null (2-Tail)   Heterogeneity
Model Number Studies Point estimate Lower Limit Upper Limit Z-value P-value Q-value df (Q) P-value
Random 3 0.726 0.079 1.373 2.199 0.028 2.652 2 0.196