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Table 2 Effect size model for heterogeneity estimated

From: Reliability of ultrasound versus digital vaginal examination in detecting cervical dilatation during labor: a diagnostic test accuracy systematic review

Model

Effect size and 95% interval

Test of null (2-tail)

Heterogeneity

Tau-squared

Model

Number studies

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

10

0.322

0.259

0.381

9.558

0.000

17.550

9

0.041

48.719

0.012

0.013

0.000

0.111

Random

10

0.359

0.267

0.446

7.157

0.000