Figure 2From: Horizontal equity in health care utilization in Brazil, 1998–2008Trends in the Horizontal Inequity Index (HI), 1998–2008, Brazil. Note: The HI measure horizontal inequity. Positive values reflect pro-rich orientation, zero is perfect equivalence, and negative values represent an overall pro-poor orientation. Bars represent 95% confidence intervals. Data source: Brazilian National Household Sample Survey (PNAD) 1998, 2003, 2008.Back to article page