I can't remember what journal it was published in and google isn't helping. I found this for hospital-level comparisons (these should be much more accurate due

I can't remember what journal it was published in and google isn't helping. I found this for hospital-level comparisons (these should be much more accurate due to far larger numbers): https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4250275/#!po=2.94118 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4250275/#!po=2.... However: "Most commonly reported outcome measures have low reliability for differentiating hospital performance."