The hospital transition matrix includes all institutions found in the hospital segment of Center for Medicare and Medicaid Services (CMS) Provider of Services (POS) file. Skilled Nursing Facilities are not included. Hospitals in the matrix must have been open for at least part of a year from 1992 through 2009 and must be, or have been located in the 50 United States or the District of Columbia.
Hospital_transition_ matrix_ Methods