Analyze the annual data below for a hospital. What factor(s) impacted the CMI (Case Mix Index) in Year 2 and why? Number Medicare cases Average LOS Case Mix Index Year 1 8,525.00 6.07 1.2408 Year 2 9,138.00 6.11 1.2340 a. Number of cases: The volume of patients seen in Year 2 increased; the hospital required more staff for patient care, increasing costs compared to Year 1. This caused a drop in the CMI. b. DRG relative weight: The volume of patients seen in Year 2 increased, and patients stayed longer on average; however, they apparently did not require the same intensity of resources (DRG RW) on average as patients treated in Year 1, hence a drop in the CMI. c. Number of cases and average LOS: The volume of patients seen in Year 2 increased, and patients stayed longer on average than patients treated in Year 1, hence a drop in the CMI. d. Average LOS: The patients in Year 2 had a longer average length of stay (LOS) than patients treated in Year 1, leading to a drop in the CMI