The bare necessities? A realist review of necessity argumentations used in health care coverage decisions

Policy makers and insurance companies decide on coverage of care by both calculating (cost-) effectiveness and assessing the necessity of coverage. To investigate argumentations pertaining to necessity used in coverage decisions made by policy makers and insurance companies, as well as those argumentations used by patients, authors, the public and the media. This study is designed as a realist review, adhering to the RAMESES quality standards....