Skip to main content
. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Contemp Clin Trials. 2012 Jul 16;33(6):1280–1286. doi: 10.1016/j.cct.2012.07.007

Table 4.

Power and average effectiveness for HIV incidence endpoint

Expected cumulative rate in immediate arm Rate reduction with delayed ART Expected cumulative rates in delayed arm Power Effectiveness
(1) High ART effectiveness 8.3% 25% 14.9% 98% 46%
35% 14.2% 95% 43%
50% 13.2% 87% 39%
(2) Medium ART effectiveness 11.1% 25% 14.9% 61% 27%
35% 14.2% 46% 24%
50% 13.2% 25% 17%