We need more science in hospital quality measures

If you understand statistics and possess the intestinal fortitude to examine a ranking methodology, you will recognize that it involves ingredients that have to be recombined, repackaged and renamed. It’s messy, like sausage-making.

This is not to say that the end product — hospital rankings — are distasteful. Patients deserve valid, transparent and timely information about quality of care so they can make informed decisions about whether and where to receive care. Ratings organizations like U.S. News & World Report work hard to create valid, unbiased hospital rankings out of imperfect data and measures. But the recipe needs to be right.

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