Even within a single local market, we have found that the cost to deliver the same “episodes of care” [medical situations characterized by a relatively clear outcome and relatively predictable start and end points (for example, most hospitalizations, pregnancies, upper respiratory infections, and hip replacements)] typically varies by 30 percent to well over 100 percent, even after we held constant the prices that hospitals, physicians, and other providers charge and risk-adjusted the costs to reflect patients’ health status. The cost differences were unrelated to any discernible variation in care quality or outcomes. These results make it clear that some providers are dramatically more successful than others in addressing patients’ needs. The strong providers achieve good results not by cutting corners but by developing (or adopting) best practices that enable them to deliver high-quality outcomes at lower cost.
Read more at Claiming the $1 trillion prize in US health care | McKinsey & Company.