The survey and its results are extremely important, as it serves as the voice of the patient. Mid-Valley Hospital uses these results to drive organizational transformation to provide you with the highest quality of care, every time. Surgical Site Infection Prevention Rate: 99.1%. Quietness of the Hospital Environment. 71.1%.Patient Portal‧Contact Us‧Mid-Valley Hospital‧Mid-Valley Clinic‧Community‧Patients & Visitors.