This document lists the bottom 10 hospitals in Michigan from 2013 to 2016 based on their readmission ratio for hip and knee replacement surgeries. The readmission ratio is a measure used by CMS where a ratio over 1 indicates excess readmissions compared to average hospitals, with Hurley Medical Center having the highest ratio of 1.48. The source is the Hospital Readmissions Reduction Program on the Medicare.gov website.