...Standard & Poor's Ratings Services raised its long-term rating and underlying rating (SPUR) on Salem Hospital Facility Authority, Ore.'s debt issued for Salem Hospital Regional Health Services (Salem Health) to 'A+' from 'A'. The outlook is stable. In addition, Standard & Poor's affirmed its '###/A-1+' rating on Salem Hospital's series 2008B variable-rate demand bonds (VRDBs). The long-term component of the rating is based jointly on the rating of Salem Health and the letter of credit (LOC) provider, U.S. Bank N.A. assuming low correlation. The short-term component of the rating is based solely on the short-term rating on the LOC provider. The upgrade on Salem Health reflects an improvement in its financial profile to very strong from strong due to overall improvement in performance in fiscal 2015, which first-quarter 2016 results also support. Salem Health's enterprise profile remains strong and reflects its excellent market share in a fairly limited-sized primary service area (PSA) combined...