Serologic testing of randomly selected children after hepatitis B vaccination: a cross-sectional population-based study in Lao People’s Democratic Republic

BMC Infectious Diseases

Table 2 Results of hepatitis B serology among 911 mother- child pairs in central Lao PDR

Result of hepatitis B serology	Total (n = 911)		Undocumented vaccination history of child (n = 740)		Documented vaccination history of child(n = 171)
	Total (n = 911)		Undocumented vaccination history of child (n = 740)		No doses (n = 10)		1 dose (n = 5)		2 doses (n = 9)		≥ 3 doses (n = 147)
	n	(%)	n	(%)	n	(%)	n	(%)	n	(%)	n	(%)
Mother HBs^a antigen positive	40	(4.4)	32	(4.3)	0	(0.0)	0	(0.0)	1	(11.1)	7	(4.8)
Children HBs^a antigen positive	21	(2.3)	19	(2.6)	0	(0.0)	0	(0.0)	0	(0.0)	2	(1.4)
Children anti-HBs^a positive
Cutoff value > 10 mIU/mL	6	(0.7)	6	(0.8)	0	(0.0)	0	(0.0)	0	(0.0)	0	(0.0)
Cutoff value > 3.45 mIU/mL^b	12	(1.3)	11	(1.5)	0	(0.0)	0	(0.0)	0	(0.0)	1	(0.7)