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Table 2 Age, source of infection, clinical status and transmission outcome for HIV-positive mothers

From: Maternal plasma viral load and neutralizing/enhancing antibodies in vertical transmission of HIV: A non-randomized prospective study

Variable Number (%)
Age of mothers (years)a  
< 25 14 (32.6)
25–30 12 (27.9)
> 30 16 (37.2)
Missing 1 (2.3)
Source of infection  
Heterosexual contact 38 (88.4)
IV drug use 3 (7.0)
Unknown 2 (4.6)
Clinical status (CDC classification 45)  
A1 11 (25.6)
A2 14 (32.6)
A3 1 (2.3)
B1 2 (4.6)
B2 10 (23.3)
B3 5 (11.6)
Viral load (copies/ml)b  
<10,000 (range 83–9,078) 29 (67.4)
≥ 10,000 (range 10,220–484,703) 14 (32.6)
Mode of delivery  
Vaginal 26 (60.5)
Cesarean 17 (39.5)
Transmission outcome  
V3 PCR+ Infants 12 (26.7)
V3 PCR- Infants 33 (73.3)
Culture+ Infants 3c (6.7)
Culture- Infants 42 (93.3)
  1. aMean age 24 years (range 14–28 years)
  2. bMean viral load 28,112 copies/ml (range = 83 – 484,703 copies/ml)
  3. cHIV infection confirmed by PCR and culture