Table 3.
Key inputs parameters used to validate the CEPAC model with the community benefit incorporated against the HOPE model.
Value |
|||
---|---|---|---|
Parameter | MSM | PWID | Source |
Number of PrEP-eligible individuals in 2016 | 2,206,379 | 386,209 | [5, 36-38] |
HIV prevalence, % | 11.0 | 15.0 | [39, 40] |
HIV incidence, rate /100 PYs | 0.6 | 0.9 | Derived from [5] |
PrEP efficacy, % (range) | 73.0 (44.0-92.0) | 49.0 (9.6-70.0) | [5, 17, 18] |
PrEP uptake, % (range) | 40.0 (20.0-60.0) | 10.0 (5.0-15.0) | [5] |
Linkage to care, % | 73.4 | [41] | |
Weighted average transmission rate within the primary cohort (rate/100 PYs) | 3.3 | 7.1 | Derived from incidence and prevalence |
Transmission risk ratio by HIV RNA level (copies/mL) | [4] | ||
>100,000 | 4.4 | ||
10,001-100,000 | 3.9 | ||
3,001-10,000 | 2.0 | ||
501-3,000 | 1.0 (reference) | ||
≤500 | 0.1 | ||
Transmission risk ratio while in acute phase (vs. chronic) | 5.3 | [42] | |
Viral suppression on first-line ART (DTG) at 48 weeks, % | 87.0 | [14, 43] |
CEPAC: Cost-Effectiveness of Preventing AIDS Complications model; HOPE: HIV Optimization and Prevention Economics model; DTG: dolutegravir; HIV: human immunodeficiency virus; mL: milliliter; MSM: men who have sex with men; PrEP: pre-exposure prophylaxis; PWID: people who inject drugs; PY: person-year.