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. 2016 Jun 22;15:96. doi: 10.1186/s12939-016-0385-x

Table 2.

Concentration index (CI) and horizontal index (HI) for level of health service utilization

Level of healthcare utilization
CI HI
2004 0.065096 0.076880
2011 0.069624 0.08289
Change 0.004528 0.00601