Poor patients survive heart surgery less often.
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D013504:Cardiovascular Surgical Procedures / Q000191:economics* / Q000401:mortality*; D006297:Health Services Accessibility / Q000191:economics; D006801:Humans; D008913:Minority Groups; D011203:Poverty / Q000706:statistics & numerical data*; D011785:Quality Assurance, Health Care / Q000191:economics*; D012307:Risk Factors; D012959:Socioeconomic Factors; D017664:Uncompensated Care / Q000191:economics / Q000639:trends*; D014481:United States / Q000453:epidemiology