...Standard & Poor's Ratings Services affirmed its '###-' long-term rating and underlying rating (SPUR), with a stable outlook, on Norman Regional Hospital Authority (NRHA), Okla.'s revenue debt, issued for Norman Regional Health System (NRHS). We assessed NRHS' enterprise profile as strong, characterized by its solid market position with a 53% market share and adequate economic fundamentals that are somewhat anchored by the presence of University of Oklahoma. We also assessed its financial profile as adequate with steady earnings generating sufficient debt service coverage (DSC) for the rating and general growth in unrestricted reserves offsetting high debt. Combined, we think these credit factors lead to an initial indicative rating level of '###'. As our criteria indicate, the final rating can be within one notch of the indicative credit level. In our view, the '###-' rating on the hospital's bonds better reflects the hospitals financial metrics, which are generally lighter than the medians....