RT Journal Article SR Electronic T1 The problem with composite indicators JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP 338 OP 344 DO 10.1136/bmjqs-2018-007798 VO 28 IS 4 A1 Matthew Barclay A1 Mary Dixon-Woods A1 Georgios Lyratzopoulos YR 2019 UL http://qualitysafety.bmj.com/content/28/4/338.abstract AB ‘The Problem with…’ series covers controversial topics related to efforts to improve healthcare quality, including widely recommended but deceptively difficult strategies for improvement and pervasive problems that seem to resist solution.