8. Oklahoma Heart Hospital South (Oklahoma City) — 94 percent 9. OSS Orthopaedic Hospital (York, Pa.) — 94 percent 10. Sutter Surgical Hospital-North Valley (Yuba City, Calif.) — 94 percent 11.

OSS Orthopaedic Hospital (York, Pa.) — 91 percent Sioux Falls (S.D.) Specialty Hospital — 91 percent Avera Heart Hospital of South Dakota (Sioux Falls) — 91 percent ...