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KMID : 1155220200450010052
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Journal of the Korean Society of Health Information and Health Statistics
2020 Volume.45 No. 1 p.52 ~ p.59
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Determinants of Length of Stay in Ischemic Heart Disease Patients
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Lee Jae-Bin
Woo Hye-Kyung
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Abstract
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Objectives: Considering the limited resources, identification of the factors affecting length of stay (LOS) is of great value to determine the efficiency and optimal use of hospital resources. This study aimed to identify the LOS and the factors affecting the LOS for patients with ischemic heart disease.
Meth?ods: The Korean National Hospital Discharge In-depth Injury Survey Data (2017) collected by the Korea Centers for Disease Control and Prevention were used. We extracted 5,845 inpatients who principal diagnosis is ischemic heart disease. The factors affecting the LOS were identified through multiple regression analyses based on demographic, medical use, and disease characteristics.
Results: The mean of the LOS was 4.27 days (standard devia?tion = 7.97). The LOS was longer in women, elderly people, and medical aids recipients. Also, the results showed that the LOS has a significant relation?ship with the variables of type of admission (emergency), hospital residence (Seoul & metropolitan city), the number of beds (100 to 499 beds), surgery status (patients who underwent coronary procedure including coronary artery bypass grafting), the CCI severity and Primary diagnosis (acute myocardial infarction).
Conclusions: This study found determinants of LOS for patients with ischemic heart disease include demographic, medical use, and disease characteristics. The identification of such factors could assist in optimizing patient LOS.
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KEYWORD
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Ischemic heart disease, Length of stay, Patients
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