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Table 1 Maternal characteristics according to delivery viral load

From: Impact of maternal HIV-1 viremia on lymphocyte subsets among HIV-exposed uninfected infants: protective mechanism or immunodeficiency

Maternal group Viral load <50 copies/ml Viral load 50–1000 copies/ml Viral load >1000 copies/ml
Median viral load (IQR) NA 244 (105–506) 6 252 (2600 – 10433)
Maternal age    
(Mean, SD) 31.5 (5.5) 29.8 (5.3) 30.8 (5.2)
Delivery CD4 count (n, %)    
>350 276 (80.5) 34 (63.0) 27 (58.7)
200-350 49 (14.3) 9 (16.7) 8 (17.4)
<200 18 (2.2) 11 (20.4) 11 (23.9)
Gestational age    
(Mean, SD) 38.5 (2.2) 38.1 (1.9) 37.7 (2.7)
Pre-term (n, %)    
(<37 weeks) 50 (14.1) 9 (16.4) 9 (18.8)
ART regimen    
None 3 (0.9) 2 (3.7) 6 (12.5)
AZT 5 (1.4) 3 (5.6) 7 (14.6)
AZT/3TC 27 (7.6) 6 (11.1) 4 (8.3)
cART 319 (90.1) 43 (79.6) 21 (64.6)