Table 4. Discounted monetary benefits, net benefit (benefits minus program costs), and benefit as a percentage of ART program costs, from restored labor productivity, averted orphan care and end-of-life care combined, cumulative 2011–2020 (US$ billions), with average productivity of asymptomatic HIV infected persons valued at 50% of GNI per person of working age.

Productivity of untreated patient in need of ART (as percentage of asymptomatic HIV patient productivity)		Productivity of patient responding to treatment (as percentage of asymptomatic HIV patient productivity)
		90%	75%	60%
20%	Benefit	$20.3	$16.9	$13.6
20%	Net Benefit	$6.1	$2.7	−$0.6
20%	Benefit/cost	143%	119%	96%
40%	Benefit	$18.2	$14.9	$11.5
40%	Net Benefit	$4.1	$0.7	−$2.6
40%	Benefit/cost	129%	105%	81%