The impact of patient and public involvement on UK NHS health care: a systematic review

PURPOSE: Patient and public involvement (PPI) has become an integral part of health care with its emphasis on including and empowering individuals and communities in the shaping of health and social care services. The aims of this study were to identify the impact of PPI on UK National Health Service (NHS) healthcare services and to identify the economic cost. It also examined how PPI is being defined, theorized and conceptualized, and how the impact of PPI is captured or measured. DATA SOURCES: Seventeen key online databases and websites were searched, e.g. Medline and the King's Fund. STUDY SELECTION: UK studies from 1997 to 2009 which included service user involvement in NHS healthcare services. Date…