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Background Sustainable development goal (SDG) target 3.4 aims at reducing premature death from non-communicable diseases including ischemic heart disease (IHD) by one-third by 2030. Purpose We aimed to compare the quality of care (QoC) of IHD between countries, genders, and age groups by employing its fatal and non-fatal estimates from the Global Burden of Diseases study 2017 to guide future policy makings for achieving SDGs. Methods We employed three epidemiologically meaningful combinations of fatal and non-fatal estimates of IHD: 1) Mortality to incidence ratio. 2) Disability-adjusted life-years (DALYs) to prevalence ratio. 3) Years of life lost to years lived with disability ratio. In the setting of IHD, the greater these measures, the poorer the QoC of IHD. We summarized these indices by principal component analysis and taking its first principal component as the quality of care index (QCI) scaled from 0 to 100 with the bigger score indicating better QoC. Based on the mean of the socio-demographic index (SDI) of countries between 1990 and 2017, countries were divided into high- and low-SDI groups and their QCIs were compared in different maps (Figure). We defined gender disparity ratio (GDR) as the ratio of female QCI to male QCI for evaluating gender inequity. For evaluation of inequities between age groups, we categorized countries into five groups based on the quintiles of SDI in the year of interest and plotted QCI against age for each group. Statistical analyses were done by R software v3.6.0. Results IHD was the fourth contributor to global DALYs in 1990 and climbed to the second rank in 2017. Although all-ages DALYs of IHD increased by 0.6% and was relatively stable, its age-standardized DALYs steadily decreased by 27.7% from 1990 to 2017 worldwide. The global QCI increased by 7.4% from 71.2 in 1990 to 76.4 in 2017. In 2017, the Netherlands, France, Israel, Italy, and Japan had the highest QCI in the world, respectively, and the United States with the QCI of 84.7 was in the third quintile of the high-SDI countries (Figure 1). Peru, Iraq, Thailand, Jamaica, and Saint Lucia had the top five QCIs amongst the low-SDI countries in 2017. The global GDR steadily increased from 1.04 in 1990 to 1.08 in 2017. Most countries of Western Europe, North America, and Australasia have a GDR between 1 and 1.2 in 1990 and 2017. In 1990, the plot of QCI against age demonstrated that QCI of elderlies is lower than other age groups in high, high-middle, and middle SDI countries; nevertheless, this pattern was not evident in low-middle and low SDI countries. Although this difference was disappeared in high SDI countries in 2017, it persisted in high-middle and middle SDI countries. Conclusions QoC of IHD has been improved in the last decades; however, it was not consistent between countries, genders, and age groups. These results have implications for monitoring and modifying public health policies toward SDGs and health for all worldwide. Figure 1. Comparison of QCI of Countries Funding Acknowledgement Type of funding source: Foundation. Main funding source(s): Bill and Melinda Gates Foundation

Global, regional, and national quality of care and burden of ischemic heart disease, 1990 to 2017: results from the GBD study 2017