Fig. 2From: Cost-effectiveness analysis of the national decentralization policy of antiretroviral treatment programme in ZambiaCost-effective analysis. The cost-effectiveness graph with a willingness-to-pay (WTP) line (dotted). The WTP was set at 3 times the GDP per capita (4224 USD). The cost effectiveness of the original programme is plotted as a red square and that of the intervention programme as a blue triangle Back to article page