The acuity-adjusted total costs at OSUH and James over 10 to 12 months, pre-POE (black columns) and post-POE (white columns) in these key service areas: HRT, heart; T/S, cardiothoracic surgery; TR, transplant; HEM, hematology-oncology; SON, surgical oncology; and BMT, bone marrow transplant. Asterisks (**) indicate statistically significant findings; bars indicate SEM.