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 4

Post-primary anti-HBs seroprotection rates and GMCs by weight at vaccination and percentile weight at six months (ATP cohort for immunogenicity).

		Seroprotection			GMC
	N	n	%	95% CI	mIU/ml	95% CI
Weight at first vaccination (kg)
≥4	19	16	84.2	60.4–96.6	617.4	206.8–1843.8
≥3<4	26	25	96.2	80.4–99.9	984.0	479.0–2021.6
≥2<3	26	26	100	86.8–100	972.6	589.2–1605.3
<2	20	18	90.0	68.3–98.8	210.7	95.4–465.2
Percentile weight at six months
>50	29	27	93.1	77.2–99.2	1140.8	577.6–2253.1
>25 ≤50	21	20	95.2	76.2–99.9	353.7	150.8–829.4
>10≤25	14	13	92.9	66.1–99.8	561.4	205.7–1532.4
≤10	27	25	92.6	75.7–99.1	566.2	280.0–1144.7