In both 2000 and 2010,2% of all hospitalizations in the United States ended in death. The percentage of patients who died while hospitalized declined from 2000 to 2010 for inpatients with first-listed diagnoses of respiratory failure (25% compared with 17%), heart attack (10% compared with 8%), or cancer (8% compared with 4%),and stroke (6% compared with 5%). By comparison, the percentage of inpatients hospitalized for septicemia who died in the hospital increased from 14% in 2000 to 16% in 2010.
Source: cdc.gov