The Healthcare Cost and Utilization Project (HCUP) includes the largest collection of longitudinal hospital care data in the United States. Provided through the Agency for Healthcare Research and Quality.
The Medical Expenditure Panel Survey (MEPS) is a set of large-scale surveys of families and individuals, their medical providers, and employers across the United States.
The Hospital Report Card Act (2004) mandated that the state provides to the public a picture of each hospital's staffing process as it relates to patient outcomes.