Table 1.
Probability and Cost Estimates
| Probability Variable | Value | Reference |
|---|---|---|
| HIV Prevalence | 0.1 | 7 |
| HIV Incidence: pregnancy | 0.03 | 10 |
| HIV Incidence: lactation (18 mo) | 0.04 | 11 |
| Rapid HIV Ab Sensitivity | 0.986 | 27 |
| Rapid HIV Ab Specificity | 0.999 | 27 |
| HIV RNA Sensitivity | 1 | 8,9 |
| HIV RNA Specificity | 1 | 8,9 |
| Lifetime probability of getting HIV diagnosed | 0.165 | 1 |
| Probability of getting HAART in pregnancy | 0.034 | 20 |
| Vertical transmission: pregnancy if no ARV | 0.255 | 2 |
| Vertical transmission: pregnancy if HAART | 0.01 | 12 |
| Vertical transmission: pregnancy if NVP in labor | 0.118 | 13 |
| Vertical transmission: labor if acute HIV | 0.35 | 12 |
| Vertical transmission: lactation (18 mo) | 0.20 | 3,14 |
| Vertical transmission: lactation (6 mo) | 0.16 | 3,14 |
| Vertical transmission: lactation if acute HIV | 0.36 | 15 |
| Vertical transmission: lactation if HAART (6 mo) | 0.05 | 16 |
| Cost Variable | Cost (US$) | Reference |
| Negative Rapid HIV Ab Test | $1.20 | 17 |
| Positive Rapid HIV Ab Test | $2.10 | 17 |
| HIV RNA Test | $32.11 | 18 |
| NVP in pregnancy | $8 | 19 |
| NVP for neonate | $4 | 19 |
| HAART in pregnancy | $68.25 | 20 |
| HAART during lactation | $45 | 20 |
| HAART: Woman for life | $8,000 | 21 |
| HAART: Child for life | $12,000 | 21 |
| Diagnostic HIV test for child | $22.70 | 28 |