의료보장유형이 심부전 입원 환자의 의료서비스 이용에 미친 영향분석: Propensity Score Matching 방법을 사용하여

제목
의료보장유형이 심부전 입원 환자의 의료서비스 이용에 미친 영향분석: Propensity Score Matching 방법을 사용하여
The Effects of Insurance Types on the Medical Service Uses for Heart Failure Inpatients: Using Propensity Score Matching Analysis
저자

최소영; 곽진미; 강희정; 이광수

저자(타언어)
Soyoung Choi; Jin-Mi Kwak; Hee-Chung Kang; Kwang-Soo Lee
키워드
Heart failure; Insurance type; Medical service uses; Propensity score matching
발행연도
2016-12-31
발행기관
한국보건행정학회
Series
보건행정학회지, vol. 26, no. 4, pp. 343 - 351
Journal Title
보건행정학회지
초록
Background: This study aims to analyze the effects of insurance types on the medical service uses for heart failure inpatients using propensity score matching (PSM). Methods: 2014 National inpatient sample based on health insurance claims data was used in the analysis. PSM was applied to con trol factors influencing the service uses except insurance types. Negative binomial regression was used after PSM to analyze factors that had influences on the service uses among inpatients. Subjects were divided by health insurance type, national health insurance (NHI) and medical aid (MA). Total charges and length of stay were used to represent the medical service uses. Covariance variables in PSM consist of sociodemographic characteristics (gender, age, Elixhauser comorbidity index) and hospital characteristics (hospital types, number of beds, location, number of doctors per 50 beds). These variables were also used as independent variables in nega tive binomial regression. Results: After the PSM, length of stay showed statistically significant difference on medical uses between insurance types. Negative binomial regression provided that insurance types, Elixhauser comorbidity index, and number of doctors per 50 beds were signifi cant on the length of stay. Conclusion: This study provided that the service uses, especially length of stay, were differed by insurance types. Health policy mak ers will be required to prepare interventions to narrow the gap of the service uses between NHI and MA.
ISSN
1225-4266
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