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Fig. 3 | BMC Health Services Research

Fig. 3

From: An equity evaluation in stroke inpatients in regard to medical costs in China: a nationwide study

Fig. 3

Theil index of ALOS from 2013 to 2016. Four curves in each subfigure denote the Theil index values within eastern, central and western China, and Theil index values between the three regions. X-axis represents the year and Y-axis denotes the Theil index value which was calculated by the formula (2) and (3) mentioned above. The right-side denotes the URBMI group and the left-side denotes Theil index values of the UEBMI group

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