Table 5.

Heterogeneity of all the included studies.

Staging fibrosis	Threshold heterogeneity		Nonthreshold heterogeneity
	r s	P value	I 2	P value
TE
Staging fibrosis stage ≥ 2	-0.12	0.78	0.54	0.06
Staging fibrosis stage ≥ 3	-0.26	0.62	0.51	0.07
Staging cirrhosis	-0.37	0.47	0	0.25
2D-SWE
Staging fibrosis stage ≥ 2	-0.1	0.82	0.56	0.05
Staging fibrosis stage ≥ 3	-0.66	0.16	0	0.24
Staging cirrhosis	-0.14	0.79	0.47	0.08

2D-SWE: two-dimensional shear wave elastography; TE: transient elastography.