Comparison of CMS and NSQIP readmission measures in Medicare beneficiaries undergoing major surgery
Abbreviations: CMS, Centers for Medicare and Medicaid Services; and NSQIP, National Surgical Quality Improvement Program.
Note: Readmission measure definitions: CMS, 30 days from index hospitalization discharge date; and NSQIP, 30 days from index surgery date. P < .001 for readmission rate differences in all procedures.