Table 2.

Subgroup analysis of HBV infection among pregnant women by study year and region.

Study year	Number of studies	Prevalence (95% CI)	p value	I 2 (%)
In 2015 & before	16	4.70 (4.12, 5.29)	0.481	0.0
After 2015	7	4.78 (3.09, 6.47)	≤0.001	78.2
Region
SNNPP	7	4.87 (3.17, 6.57)	≤0.001	72.4
Oromia	5	4.47 (2.92, 6.02)	0.021	65.5
Amhara	5	4.53 (3.52, 5.54)	0.930	0.0
Addis Ababa	3	4.42 (2.73, 6.12)	0.217	34.5
Tigray	1	5.50 (3.03, 7.97)
Gambella	1	7.90 (4.58, 11.22)
Harar	1	6.30 (3.64, 8.96)