Table 1.
Characteristics of the cohort.
| Cases median (IQR) or N (%) | Controls median (IQR) or N (%) | P* | |
|---|---|---|---|
| Maternal characteristics | N = 7 | N =24 | |
| Age (years) | 21 (19–28) | 27 (24–29) | 0.1 |
| Parity | 1 (1–2) | 1 (1–2) | 0.7 |
| Pregnancy CD4+ cell count | 365 (236–732) | 345 (242–495) | 0.8 |
| Pregnancy CD4+ cell percentage | 24 (10–33) | 22 (16–28) | 0.9 |
| Pregnancy HIV viral load, log10 copies/ml plasma | 5.0 (4.7 –5.7) | 5.1 (4.8–5.4) | 0.5 |
| Vaginal delivery | 6 (86%) | 19 (79%) | 1.0 |
| Infant characteristics | |||
| Birthweight (kg) | 3.5 (2.9–3.8) | 3.2 (2.9–3.4) | 0.3 |
| Dubowitz/Ballard score | 55 (48–57) | 56 (52–60) | 0.3 |
| Estimated maturity (weeks) | 39 (38–40) | 39 (39–40) | 0.3 |
| Bw04 HLA type | 4 (57%) | 16 (66%) | 0.6 |
| Month 1 plasma viral load, log10 copies/ml plasma | 6.5 (5.7 –7.2) | ND | |
IQR, interquartile range; ND, none detected.
*
P values determined using Kruskal–Wallis for 2 independent comparisons or Fisher’s exact test for mode of delivery.