Jacob V. Spertus, Sharon-Lise T. Normand, Robert Wolf, Matt Cioffi, Ann Lovett and Sherri Rose. Although risk adjustment remains a cornerstone for comparing outcomes across hospitals, optimal strategies continue to evolve in the presence of many confounders. We compared conventional regression-based model to approaches particularly suited to leveraging big data. Buy Ivermectin Australia - Is your head itchy all the time? you may have lice! use Ivermectin to treat it today!