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요양병원의 입원급여 적정성 평가 결과에 미치는 영향 요인 분석
이상갑 ( Sang-kab Lee ),설진주 ( Jin-ju Seol ),이광수 ( Kwang-soo Lee ) 한국병원경영학회 2020 병원경영학회지 Vol.25 No.3
Purposes: This study purposed to identify factors influencing the composite quality score from the quality assessment program for long-term care hospitals Methodology: The study variables was obtained from HIRA(Health Insurance Review and Assessment Service): the composite quality scores and hospital variables such as number of doctors, nurses, beds, medical technicians, medical equipments, administrative region, ownerships from 3rd (2010) to 7th (2018) quality assessment program. National Statistical Portal(www.kosis.go.kr) provided the number of senior citizens aged over 65 in city·county·district area. SAS 9.4 was used for the data processing and used to analyze the data. Findings: The results showed that composite quality score increased past 9 years. Hospital variables such as number of doctor, nurse, medical technicians, bed and public hospitals had significant positive relationship with the composite quality score. Administrative region(district) showed higher scores compare to that of city. Compare to the score of quality assessment year(2010), as the assessment year move to 2012, 2013, 2015, 2018, results showed higher significant positive coefficients. Practical Implication: Continuously improve the performance of long-term care hospitals, current quality assessment program are needed to update their system such as adopting indicators measuring the service process, or compensating the cost for quality assessment program. It will enable to provide more reasonable and accurate performance assessment scores.
R-H 처리용 레이들 내화물의 Fe-Al 합금에 의한 침식기구
김성만,이상갑 대한금속재료학회(대한금속학회) 1988 대한금속·재료학회지 Vol.26 No.2
Silica, magnesia-chrome and zircon bricks used in the R- H ladles of POSCO were made into crucibles, in which electrolytic iron and aluminium were maintained at 1600℃ for one hour under nitrogen atmosphere. The crucibles teated were cut into thin sections for optical microscopic and electron optic investigations to find the failure mechanisms of the different refractories in the prescence of the aluminium. Silica brick failed by the reduction of SiO₂ by Al added and the damage was aggravated by penetration of Al₂O₃ into brick. Attack of magnesia-chrome brick was characterized by spalling due to an anisotropy developed along the border outlined by penetration of the aluminium silicates into the crucible. Zircon brick remained almost intact due to ZrO₂ resulting from the decomposition of zircon and mullite formed as a reaction product of Al and refractory materials.