Table 1. Data sources for analysis.

Source	Variables	Date Range	Data entries	Scope
DATASUS—Ambulatory Care System (SIA)	Healthcare procedures performed Associated ICD codes Age of patient Location offering the procedure Costs of procedure Hospital responsible	2008–2014	4,653,884 procedures	Catheterization Scintigraphy Stress Echocardiography Stress ECG
DATASUS—Mortality Information System (SIM)	Cause of death coded by ICD groups: I20, I21, I22, I23, I24, and I25 Municipality of residence of patients with ACS death Mortality rate by municipality.	2008–2014	714,670 deaths	All deaths between 2008 and 2014
CNES -National Registration of Health Establishments	Geolocation Procedures offered	2008–2014	1672 hospitals	Hospitals performing ACS diagnostic procedures between 2008 and 2014
World Bank	Gross national income Atlas index Gross national income per capita Income level classification	2010–2013	5570 municipalities
IBGE—Brazilian Institute of Geography and Statistics	Population by municipality—between 20 and 79 years of age Gross Domestic Product (GDP) GDP per capita	2008–2014	5570 municipalities