Hepatitis B Response of Premature Infants after Primary and Booster Immunisation with a Diphtheria-Tetanus-Acellular Pertussis-Hepatitis B-Inactivated Poliovirus/Haemophilus Influenzae Type B Vaccine

Table 5

Anti-HBs concentrations (mIU/ml) after all HBV doses in subjects who were non-responders to hepatitis B at the end of the primary and booster studies.

										Post Extra HBV			HBV
Gestational age (Weeks)	Birth weight (kg)	Percentile at birth	Weight at 1st vaccination (kg)	Percentile at 6 months	Weight at 6 months (kg)	Pre-primary	Post-primary	Pre-booster	Post-booster	Dose 1	Dose 2	Dose 3	Persistence at 4 years (mIU/ml)
33	2.1	75	4.4	95	8.3	<10	<10	<10	<10	690	3485	NG	176
35	2.0	25	4	25	6.7	<10	<10	<10	<10	<10	<10	32	128
32	0.6	<10	1.7	<5	4.4	<10	<10	<10	<10	<10	141	NG	64
31	0.8	<10	1.7	10	5.1	97	<10	<10	<10	<10	NA	NG	<10
33	2.0	50	4.3	>90	8.4	<10	<10	<10	<10	<10	<10	<10	<10
35	1.7	10	3.6	50	6.6	<10	<10	<10	<10	<10	1087	NG	NA

NA = Not available; NG = Not given.