An Issue Brief from The Commonwealth Fund examines health care spending and use of services among adults with high needs, defined as individuals who have three or more chronic diseases and a functional limitation in their ability to care for themselves (such as bathing or dressing) or perform routine daily tasks (such as shopping or preparing food).
The Issue Brief can be accessed at http://www.commonwealthfund.org/~/media/files/publications/issue-brief/2016/aug/1897_hayes_who_are_high_need_high_cost_patients.pdf.