what is the optimal number of medical patients and surgical patients per year? At optimal what is the number of unused operation rooms available? 

The optimal number of medical and surgical patients per year will depend on a variety of factors such as the size of the healthcare facility, its resources and budget constraints. Generally speaking, it is recommended that for larger hospitals with multiple operating rooms (ORs) the ratio should be about 40-50% surgical to 60-50% medical in order to maintain efficiency; this would equate to an average of around 12-16 ORs running each day. As for unused ORs, ideal numbers can vary depending on the particular hospital but usually range from 0-2 since having too many could lead to increased costs without providing any additional benefit.