Fig. 1From: Econometric estimation of WHO-CHOICE country-specific costs for inpatient and outpatient health service deliveryPredicted values (regression lines) for outpatient service delivery costs in level 1 facilities, 2007 I$, plotted against the natural log of GDP per capita (X axis). (Y-axis shows the raw data for cost per visit in natural logs) N = 4750. Natural logarithm of outpatient unit costs expressed in 2007 I$. ARM Armenia, BFA Burkina Faso, BRA Brazil, COL Colombia, GEO Georgia, GHA Ghana, ECU Ecuador, IDN Indonesia, MDA Moldova, NGA Nigeria, MNG Mongolia, PAK Pakistan, PHL Phillippines, RWA Rwanda, SRL Sri Lanka, USA USABack to article page