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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