Developing robust composite measures of healthcare quality - Ranking intervals and dominance relations for Scottish Health Boards

Such rankings give policy-makers a sense of the uncertainty around ranks, indicating the extent to which action is warranted. By identifying the full range of rankings that the organizations under comparison may attain, the approach proposed here acknowledges imperfect information about the “correct” set of weights and the appropriate denominator and may thus help to increase transparency of and confidence in health system performance comparisons.