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KMID : 0371020100430060523
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Journal of Preventive Medicine and Public Health
2010 Volume.43 No. 6 p.523 ~ p.534
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The Change in Readmission Rate, Length of Stay and Hospital Charge after Performance Reporting of Hip Hemiarthroplasty
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Jang Won-Mo
Eun Sang-Jun
Sakong Pil-Yong
Lee Chae-Eun
Oh Moo-Kyung
Oh Ju-Hwan
Kim Yoon
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Abstract
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Objectives: We assessed impact of performance reporting information about the readmission rate, length of stay and cost of hip hemiarthroplasty.
Methods: The data are from a nationwide claims database, National Quality Improvement Project database, of Health Insurance Review & Assessment Service in Korea. From January 2006 to April 2008, we received information of length of stay, readmission within 30 days, cost of 22 851 hip hemiarthroplasty episodes. Each episodes has retained the diagnoses of comorbidities and demographics. We used time-series analysis to assess the shifting of patients selections, between high volume(over 16 operations in a year) and low volume institutions, after performance reporting (december 2007). The changes of quality (readmission, length of stay) and cost were evaluated by multilevel analysis with adjustment of patient’s factors and institutional factors after performance reporting.
Results: As compared with the before performance reporting, the proportion of patients who choose the high volume institution, increased 3.45% and the trends continued 4 months at marginal significance (p=0.059). After performance reporting, national average readmission rate, length of stay were decreased by 0.49 OR (95% CI=0.25-0.95) and 10% (β=-0.102 p<0.01) and cost was not changed (β=-0.01, p<0.27). The high volume institutions were more decreased than low volume in length of stay.
Conclusions: After performance reporting, readmission rate, length of stay were decreased and the patient selections were marginal shifted from low volume institutions to high volume institutions.
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KEYWORD
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Performance reporting, Hip arthroplasty program evaluation, Quality of healthcare
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