The use of proxies and proxy-reported measures: a report of the international society for quality of life research (ISOQOL) proxy task force

Proxy reports are often used when patients are unable to self-report. It is unclear how proxy measures are currently in use in adult health care and research settings. We aimed to describe how proxy reports are used in these settings, including the use of measures developed specifically for proxy reporting in adult health populations.We systematically searched Medline, PsycINFO, PsycTESTS, CINAHL and EMBASE from database inception to February...