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 1

Anti- HBs seroprotection rates and GMCs in preterm and full-term infants one month after the primary course and before and after the booster dose (ATP cohort for immunogenicity).

		Seroprotection			GMC
	N	n	%	95% CI	mIU/ml	95% CI
Postprimary
Preterm	91	85	93.4	86.2–97.5	634.1	433.8–927.0
Full-term	84	80	95.2	88.3–98.7	867.1	576.6–1303.9
Prebooster
Preterm	84	63	75.0	64.4–83.8	56.8	39.6–81.4
Full-term	67	54	80.6	69.1–89.2	58.1	39.1–86.3
Postbooster
Preterm	83	76	91.6	83.4–96.5	1771.0	1060.3–2958.1
Full-term	68	67	98.5	92.1–100.0	1965.0	1180.1–3272.0