A retrospective study of Human Immunodeficiency Virus transmission, mortality and loss to follow-up among infants in the first 18 months of life in a prevention of mother-to-child transmission programme in an urban hospital in KwaZulu-Natal, South Africa

Table 2 Characteristics of HIV-exposed infants at McCord Hospital, 1 May 2008 to 31 May 2009

Infant characteristics	N*	n	%	95% Confidence Interval
Observed length of follow-up
Median, months (IQR)		9.1 (1.6 - 12.0)
Sex	251
Male		122	48.6	42.3 - 55.0
Female		129	51.4	45.0 - 57.7
ARV prophylaxis at birth	226
Nevirapine and zidovudine		223	98.7	96.2 - 99.7
Gestational age at delivery, weeks	212
Mean (median)		38.2 (38.0)		37.8 – 38.2
< 37		23	10.8	7.0 - 15.8
≥ 37		189	89.2	84.2 - 93.0
Birth weight (g)	250
Mean (median)		3052.3 (3080)
< 2500		32	12.8	8.9 – 17.6
≥ 2500		218	87.2	82.4 – 91.1

N** the number of infants across each category of characteristics do not add up to 264 due to missing data.

ISSN: 1471-2431