Table 1.

Patient characteristics by group

	Failure of prophylactic treatment for mother-to-child transmission	Chronic HBV infection without HBIG or HB vaccine
	n = 18	n = 107
Gender, male/female	8/10	47/60
Age	1-14 yr. (median, 6)	1-52 yr. (median, 16)
Genotype A/B/C	0/0/18	1/14/92
HBeAg (mother)	16 (15, 3 unknown)	60
HBV DNA levels in blood, log copies/mL	5.6 - > 8.8 (median, 8.6)	2.1 - > 8.8 (median, 4.9)