Quality indicators are used for different kind of purposes. They are maintained and developed by the Agency for Healthcare Research and Quality in which these are used to gauge the performance in a health care. For instance in providing care by the care providers. There are 4 categories such as the Prevention Quality Indicators, Inpatient Quality Indicators, Pediatric Quality Indicators and Patient Safety Indicator. There are examples or types of quality indicators such as the structure,process,outcome and patient experience.