Table 3.

Meta-regression analysis of factors for the heterogeneity of anti-HCV prevalence in Ethiopia, 2020.

Predictor	Coefficient	Std. error	p value	Adjusted R2 (%)
Sample size	−3.30e − 06	2.04e − 06	0.112	−0.58
Publication year	−0.0693	0.0605	0.257	1.34
Region	0.1790	0.1034	0.089	0.39
Study group	0.2916	0.0989	0.005∗	17.66
Diagnostic method	0.7042	0.3284	0.037∗	−9.26
Level bias	0.4482	0.2066	0.035∗	9.04

^∗Statistically significant association.