TABLE 1.
Variable | Transmission status | n | Median (interquartile range) or percent | SD | P value |
---|---|---|---|---|---|
Mothers | |||||
Plasma viral load (copies/ml) | Nontransmitters | 43 | 20,612 (8,345–109,635) | 115,457 | 0.02 (Mann-Whitney U test) |
Transmitters | 45 | 64,263 (20,036–196,620) | 258,630 | ||
CD4 count (cells/μl) | Nontransmitters | 43 | 367 (281–499) | 166.6 | 0.90 (Mann-Whitney U test) |
Transmitters | 45 | 381 (278–497) | 179.3 | ||
Visit | |||||
Antenatal | Nontransmitters | 43 | 100 | 0.03 (Fisher's exact test) | |
Transmitters | 39 | 86.7 | |||
Labor/delivery | Nontransmitters | 0 | 0 | ||
Transmitters | 6 | 13.3 | |||
Infants | |||||
Visit | |||||
Delivery | Uninfected | 15 | 34.9 | 0.96 (chi-square test) | |
Infected | 17 | 37.8 | |||
2 wk postdelivery | Uninfected | 24 | 55.8 | ||
Infected | 24 | 53.3 | |||
6 wk postdelivery | Uninfected | 4 | 9.3 | ||
Infected | 4 | 8.9 |