Table 3. Demographic and clinical characteristics of 50 infants from Port Au Prince, Haiti.

Half of the infants were HIV-exposed, born to HIV-positive mothers. None of the infants received courses of antibiotics. Only one infant subsequently acquired HIV infection. This mother: infant dyad was excluded from subsequent analyses.

Infant Characteristics	HIV-exposed (N=25)	HIV-unexposed (N=25)	p-value
Infant Age (days)
Mean (SD)	66.6 (44.8)	71.4 (56.6)	0.65
Median (IQR)	48 (33, 113)	72 (16, 96)
Female sex (%)	13 (52)	13 (52)	1.00
Antibiotics (%)	0 (0)	0 (0)	1.00
Weight-for-age z-score
Mean (SD)	−0.9 (1.2)	−1.0 (1.3)	0.90
Median (IQR)	−1.2 (−1.6, −0.4)	−0.8 (−1.6, 0.1)
Weight-for-age z-score (%)
< −1.5	7 (28)	8 (32)	0.76
>= − 1.5	18 (72)	17 (68)
Length/height-for-age z-score
Mean (SD)	−1.2 (1.6)	−0.6 (1.7)	0.25
Median (IQR)	−1.4 (−1.8, 0.0)	−0.1 (−1.0, 0.5)
Length/height-for-age z-score (%)
< −1.5	12 (48)	5 (20)	0.037
>= −1.5	13 (52)	20 (80)
HIV infection (%)	1 (4)	N/A