Misunderstanding Propublica: transparency, confidence intervals, and the value of data

In July the investigative journalists at ProPublica released an analysis of 17,000 surgeons and their complication rates. Known as the “Surgeon Scorecard,” it set off a firestorm. In the months following, the primary objections to the scorecard have become clearer and were best distilled in a terrific piece by Lisa Rosenbaum. As anyone who follows me on Twitter knows, I am a big fan of Lisa –she reliably takes on…