Are HRRP’s readmission reductions an illusion?
A number of studies (e.g., Wasfy et al. 2017, Desai et al. 2016) have found that the Centers for Medicare and Medicaid Services (CMS) Hospital Readmissions Reduction Program (HRRP) reduce hospital readmissions. However, are these findings valid? A recent paper by Ody et al. (2019) argues maybe not. Because readmission rates are risk-adjusted, changing coding…