TABLE 3.

Plasma HIV-1 RNA concentration in Zambians, stratified by gender, patient group, and age group

Group (no.)No. of subjects with a plasma HIV-1 RNA level (copies per ml) of:Log10 VL
<10,000 (n = 55)10,000-100,000 (n = 106)>100,000 (n = 98)P valueMean ± SDP value
Gender
    Females (137)405839Ref.b4.51 ± 0.76Ref.
    Males (122)154859<0.00014.86 ± 0.770.0004
Patienta
    TP donors (103)123655<0.00014.93 ± 0.63<0.0001
    DP nontransmitters (65)2127170.0054.45 ± 0.810.007
    TP seroconverters (91)2243260.0554.54 ± 0.840.046
Age (yr)
    ≤40 (228)529779Ref.4.63 ± 0.80Ref.
    >40 (31)39190.0065.03 ± 0.580.007
  • a P < 0.0001 (by F test) for the overall heterogeneity among the transmission pair (TP) donors, TP SCs, and discordant pair (DP) nontransmitters.

  • b Ref., reference category.