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KMID : 0387320180280020178
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Korean Journal of Health Policy and Administration
2018 Volume.28 No. 2 p.178 ~ p.185
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Association between Introduction of the Diagnosis-Related Groups System for Anal Operation and Length of Stay: Higher Effectiveness at Hospitals with Longer Length of Stay
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Park Hye-Ki
Chun Sung-Youn
Choi Jae-Woo
Kim Seung-Ju
Park Eun-Ah
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Abstract
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Background: We investigated association between introduction of the diagnosis-related groups (DRG) system for anal operation and length of stay. Also, we investigated how it is different among hospitals with longer length of stay and among hospitals with shorter length of stay before introduction of the DRG system.
Methods: We used data from Health Insurance Review and Assessment which were national health insurance claim data. Total 13,111 cases of anal surgery cases were included which were claimed by hospitals since July 2012 to June 2014. Two-level multivariable regression was conducted to analysis the association between length of stay and characteristics of hospital and patient.
Results: Before introducing DRGs, the average length of stay was 5.41 days. After introducing DRGs, average length of stay was decreased to 3.92 days. After introducing DRGs, length of stay has decreased (β=?1.0450, p< 0.0001) and it was statistically significant. Among hospitals which had short length of stay (shorter than mean of length of stay) before introducing DRGs, effect of introducing DRGs was smaller (β=?0.4282, p< 0.0001). On contrary, among hospitals which had long length of stay (longer than mean of length of stay) before introducing DRGs, effect of introducing DRGs was bigger (β=?1.8280, p< 0.0001).
Conclusion: Introducing DRGs was more effective to hospitals which had long length of stay before introducing DRGs.
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KEYWORD
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Characteristics of hospital, Length of stay, Anal surgery, Diagnosis-related groups
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