This is my fault. A frequent commenter and blogger missed the context of a sentence in a recent rant. The sentence is confusing and thus the mistake is mine.
Here is the context – In which curious challenges me. I said “I favor limited guidelines, but not measurement. Measurement has too many unintended consequences.” I am quoted here – Just because it’s not easy to measure …
What should I have written? I have no problem with carefully considered measurement, when the measurement has rationale and data supporting the usefulness of measurement.
Let me give some examples. I do not want insurers or independent ranking groups looking at the percentage of my diabetic patients who have a HgbA1c < 7. I would be happy to receive a report of the distribution of the HgbA1c values of my diabetic patients – with names attached so that I could review their care and address those patients who qualify for more aggressive therapy.
What I should have written is that I am opposed to using performance measures as a surrogate for physician quality. We do need to measure the things that Krouwer discusses. We need to measure safety problems. We need to measure test characteristics.
So I apologize for a bad sentence. I meant one thing, but the way I wrote the sentence it was easily interpreted as something else. Not all measurement is bad, but in general we should restrict using performance measurement to inform physicians, not to incent, reward or rank physicians.
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