Robert S White1, Dahniel L Sastow2, Licia K Gaber-Baylis2, Virginia Tangel2, Andrew D Fisher3, Zachary A Turnbull3. 1. Department of Anesthesiology, New York Presbyterian Hospital-Weill Cornell Medicine, 525 East 68th Street, Box 124, New York, NY, 10065, USA. rsw9006@nyp.org. 2. Department of Anesthesiology, Weill Cornell Medicine Center for Perioperative Outcomes, 428 East 72nd Street, Ste 800A, New York, NY, 10021, USA. 3. Department of Anesthesiology, New York Presbyterian Hospital-Weill Cornell Medicine, 525 East 68th Street, Box 124, New York, NY, 10065, USA.
Abstract
BACKGROUND: Total hip replacements (THRs) are the sixth most common surgical procedure performed in the USA. Readmission rates are estimated at between 4.0 and 10.9%, and mean costs are between $10,000 and $19,000. Readmissions are influenced by the quality of care received. We sought to examine differences in readmissions by insurance payer, race and ethnicity, and income status. METHODS: We analyzed all THRs from 2007 to 2011 in California, Florida, and New York from the State Inpatient Databases, Healthcare Cost and Utilization Project, Agency for Healthcare Research and Quality. Primary outcomes were readmission at 30 and 90 days after THR. Descriptive statistics were calculated, and multivariate logistic regression analysis was used to estimate adjusted odds ratio (OR) for readmissions. Statistical significance was evaluated at the < 0.05 alpha level. RESULTS: A total of 274,851 patients were included in the analyses. At 30 days (90 days), 5.6% (10.2%) patients had been readmitted. Multivariate logistic regression analysis showed that patients insured by Medicaid (OR 1.23, 95%CI 1.17-1.29) and Medicare (OR 1.58, 95%CI 1.44-1.73) had increased odds of 30-day readmission, as did patients living in areas with lower incomes, Black patients, and patients treated at lower volume hospitals. Ninety-day readmissions showed similar significant results. CONCLUSIONS: The present study has shown that patients on public insurance, Black patients, and patients who live in areas with lower median incomes have higher odds of readmission. Future research should focus on further identifying racial and socioeconomic disparities in readmission after THR with an eye towards implementing strategies to ameliorate these differences.
BACKGROUND: Total hip replacements (THRs) are the sixth most common surgical procedure performed in the USA. Readmission rates are estimated at between 4.0 and 10.9%, and mean costs are between $10,000 and $19,000. Readmissions are influenced by the quality of care received. We sought to examine differences in readmissions by insurance payer, race and ethnicity, and income status. METHODS: We analyzed all THRs from 2007 to 2011 in California, Florida, and New York from the State Inpatient Databases, Healthcare Cost and Utilization Project, Agency for Healthcare Research and Quality. Primary outcomes were readmission at 30 and 90 days after THR. Descriptive statistics were calculated, and multivariate logistic regression analysis was used to estimate adjusted odds ratio (OR) for readmissions. Statistical significance was evaluated at the < 0.05 alpha level. RESULTS: A total of 274,851 patients were included in the analyses. At 30 days (90 days), 5.6% (10.2%) patients had been readmitted. Multivariate logistic regression analysis showed that patients insured by Medicaid (OR 1.23, 95%CI 1.17-1.29) and Medicare (OR 1.58, 95%CI 1.44-1.73) had increased odds of 30-day readmission, as did patients living in areas with lower incomes, Black patients, and patients treated at lower volume hospitals. Ninety-day readmissions showed similar significant results. CONCLUSIONS: The present study has shown that patients on public insurance, Black patients, and patients who live in areas with lower median incomes have higher odds of readmission. Future research should focus on further identifying racial and socioeconomic disparities in readmission after THR with an eye towards implementing strategies to ameliorate these differences.
Entities:
Keywords:
Administrative database; Healthcare disparities; Outcomes research; Primary payer status; Readmission; Total hip replacement
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