Fig. 4From: Cost-effectiveness analysis of the national decentralization policy of antiretroviral treatment programme in ZambiaCost-effectiveness acceptability curves. The cost-effectiveness acceptability curve shows that the original programme was always cost effective at a WTP below 2500 USD, while the intervention programme was cost effective at a WTP above 3000 USD. There was a point of indifference between the programmes at a WTP of approximately 2800 USDBack to article page