Evaluating the Quality of Medical Care

Whom is doing this for stroke? Because if we don't know about the problems in stroke and the current disastrous results we will never be able to make them better.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2690293/
A medical blogger arguing against using this for pay for performance.

The problem with “measuring quality” – as Donabedian told us

I forcibly disagree, we have to start evaluating stroke results or we will never fix the problems. Once again proving that our stroke doctors have their heads so far up their asses they will never see any helpful research.