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Table 3 Heterogeneity of studies

From: Determinants of catastrophic health expenditures in Iran: a systematic review and meta-analysis

Model

Effect size and 95% interval

Test of null (2-tail)

Heterogeneity

Tau-squared

Point estimate

Lower limit

Upper limit

Z-value

P-value

Q-value

df (Q)

P-value

I-squared

Tau squared

Standard error

Variance

Tau

Fixed

0.041

0.057

0.040

− 1333.61

0.000

25,612.613

51

0.000

99.801

0.211

0.181

0.033

0.460

Random

0.047

0.042

0.053

− 45.900

0.000

       Â