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Concentration curve

KS Kathryn Lizbeth Lucena Siongco
KN Keiko Nakamura
KS Kaoruko Seino
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The concentration curve (Fig. ​(Fig.1)1) was computed to illustrate the cumulative distribution of each health and healthcare utilization variable on the y-axis against the cumulative distribution of the population ranked according to wealth, beginning with the poorest and ending with the richest (x-axis), graphically. If the health or healthcare utilization outcome was more concentrated among the poor, the concentration curve would lie above the line of equality. The farther the curve is above the 45° line, the more concentrated the health or healthcare utilization variable is among the poor.

Concentration curves for NHIPa coverage, self-reported illness, and healthcare utilizationb according to wealth index (2003-2017). aNational Health Insurance Program; boutpatient care utilization and inpatient care utilization

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