Table 1 Study power to detect a 30–50% reduction in HIV incidence in DREAMS+PrEP cohort compared to incidence in a comparison cohort with at least 690 YWSS followed up over 24 months (1500–1380 person-years follow-up/cohort)
HIV incidence in comparison cohort | Reduction in HIV incidence in DREAMS+PrEP cohort | |||||
|---|---|---|---|---|---|---|
50% | 40% | 30% | 50% | 40% | 30% | |
1500pyrs follow-up per cohort | 1380pyrs follow-up per cohort | |||||
5.0 | 94 | 77 | 49 | 92 | 75 | 46 |
6.0 | 96 | 85 | 59 | 96 | 82 | 55 |
7.0 | 98 | 90 | 66 | 98 | 87 | 62 |
8.0 | 99 | 93 | 72 | 99 | 91 | 67 |