期刊
JOURNAL OF ARTHROPLASTY
卷 32, 期 9, 页码 S11-S17出版社
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.arth.2016.08.041
关键词
outcomes; claims; registry; primary total knee arthroplasty; primary total hip arthroplasty; Comprehensive Care for Joint Replacement; Model
类别
Background: Administrative claims in total joint arthroplasty are used for observational studies and payment adjustments under the Comprehensive Care for Joint Replacement (CJR) legislation. Claims data have not been validated against prospective surgical outcome registries for primary total hip (THA) or knee arthroplasty (TKA). We hypothesized that significant differences in reported comorbidity and adverse event measures exist between administrative claims and prospective registry data relevant to payment adjudication under the CJR reimbursement model. Methods: Comorbidities and outcomes in primary TKA and THA in the United Healthcare and Medicare Standard Analytical File 5% Sample insurance claims datasets (PearlDiver Technologies, Inc) were compared to age-matched cohorts from the National Surgical Quality Improvement Program (ACS-NSQIP) surgical outcomes data from 2007 to 2011 using comparable International Classification of Diseases, Ninth Revision, Clinical Modification and Current Procedural Terminology codes at 30, 90, and 360 days from index arthroplasty. Pearson's chi-square test was used for statistical analyses. Results: The total study population included 93,953 primary THA and 176,944 TKA patients. Primary TKA and THA patients in insurance claims cohorts had significantly fewer reported comorbidities, higher rates of surgical site infection, pulmonary embolism, wound dehiscence, thromboembolic events, and neurologic deficits, and lower reported rates of revision surgery than ACS-NSQIP cohorts within 30 days of primary TKA and THA. Cumulative incidence of adverse events increased significantly from 30 to 360 days after primary arthroplasty. Conclusion: We report significant discordance in the prevalence of patient comorbidities and incidence of adverse events in primary THA and TKA between ACS-NSQIP and the administrative claims data of Medicare and United Healthcare. These disparities have implications for observational outcome studies as well as payment adjudication under the CJR reimbursement model in total joint arthroplasty. (C) 2016 Elsevier Inc. All rights reserved.
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