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Final Multivariate Model – Factors Associated with Late Postnatal Transmission of HIV-1*
| Characteristic | Category | Hazard Ratio (95%CI) |
P-value |
|---|---|---|---|
| Maternal CD4 count at enrollment(cells/mm3) | < 200 | 4.82 (1.96, 11.88) | 0.0006 |
| 200–499 | 2.17 (0.91, 5.18) | 0.0824 | |
| ≥ 500 | 1.00 | ||
| Maternal plasma viral load at enrollment (copies/mL) | < 10,000 | 1.00 | |
| ≥ 10,000, <50,000 | 4.34 (1.66, 11.36) | 0.0028 | |
| ≥ 50,000 | 8.85 (3.40, 23.03) | <.0001 |
Model stratified by site.
