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아태지역 항공사의 운영 성과평가 및 제고방안에 관한 연구
엄경아 ( Kyoung A Um ),김연성 ( Youn Sung Kim ),이동원 ( Dong Won Lee ) 한국항공경영학회 2011 한국항공경영학회지 Vol.9 No.2
The purpose of this study is to present competitive strategic implications for the Asia-Pacific airlines by analyzing the relative operational efficiencies among them. We conducted two analyses using the panel materials by IATA and the financial statements and performance data provided by ICAO, ATW, and the websites of individual airlines. First, we analyzed the operating performance measures of the Asia-Pacific airlines by using DEA (data envelopment analysis) method. Second, we identified the characteristics of productivity of the Asia-Pacific airlines by a profiling method. The results showed that the airlines presenting multi-product services rather than those with limited services were more efficient as they practiced economies of scale added by economies of scope such as the expansion of routes through strategic alliance to improve their performance.
신체화 장애로 오인된 다제내성 비전형적 결핵성 척추염: 증례보고
김경민,엄경은,고성은 대한노인재활의학회 2022 Geriatric rehabilitation Vol.12 No.2
Spinal tuberculosis usually progresses slowly and insidiously with non-specific symptoms at disease onset, especially in older people. Diagnosis is often delayed, and the condition is frequently misdiagnosed due to non-specific symptoms, especially in elderly patients. Neurological symptoms may appear when the disease has progressed considerably. Combined treatment with surgery and anti-mycobacterial medication should be required when neurological abnormalities develop. Thorough evaluation of functional status and realistic goal setting are essential to provide appropriate rehabilitation in elderly people. We report a case of a 68-yearold woman with multidrug resistant tuberculous spondylitis initially misdiagnosed as somatoform disorder. Due to drug resistance, the patient underwent three spinal surgery and her treatment regimen was changed to linezolid from HERZ (Isoniazid, Rifampin, Ethambutol, Pyrazinamide). The patient experienced linezolid-induced optic neuropathy, necessitating further change in treatment.
Life Space Assessment in Stroke Patients
양유나,김보람,엄경은,김수진,이승환,Mooyeon Oh-Park,이종민 대한재활의학회 2017 Annals of Rehabilitation Medicine Vol.41 No.5
Objective To evaluate the reliability of the practical life space in post-stroke patients using the Korean version of the Life-Space Assessment (K-LSA) questionnaire and to assess the relationships between the K-LSA and physical function, daily activity, quality of life, and post-stroke depression.Methods The LSA questionnaire was translated into Korean, and the translated version was authorized by the author of the LSA questionnaire. In a cross-sectional study, the performance of the K-LSA was evaluated in 34 stroke patients (20 males and 14 females; mean age 65.11±2.39 years) who were receiving physical and occupational therapy at the outpatient clinic in the rehabilitation medicine department of a university medical center at the time of evaluation. Performances were assessed twice by one examiner at a 2-week interval to test the reliability. The patients were evaluated using the Functional Ambulation Category (FAC) scale, Functional Independence Measure (FIM) scale, and mobility subscale of the FIM to assess their relationships with the K-LSA. They were also evaluated using the EuroQol 5 Dimensions questionnaire (EQ-5D) and Geriatric Depression Scale (GDS) to determine the relationship with quality of life and post-stroke depression.Results Test-retest reliability at the first (62.20±32.14) and second (63.15±32.22) assessment was 0.993 (p<0.01). The K-LSA showed significant correlations with the FAC (r=0.848, p<0.01), FIM (r=0.765, p<0.01), mobility category of the FIM (r=0.764, p<0.01), GDS (r=-0.657, p<0.01), and EQ-5D (r=0.506, p<0.01).Conclusion This study suggests that the practical life space of post-stroke patients, assessed by the K-LSA, has a significant correlation with patients' functional mobility, independence in daily activity, quality of life, and depression.
외식업체 종사원이 지각하는 서번트리더십이 집단응집력 및 조직몰입에 미치는 영향
인성호(Sung Ho In),엄경은(Kyung Eun Eom),정경일(Kyung il Chung) 한국관광연구학회 2015 관광연구저널 Vol.29 No.11
The purpose of this study is to investigate the mediating effects of group cohesiveness on the relationship between the servant leadership and organizational commitment of foodservice employees. Data were collected from foodservice companies such as CJ Freshway, LG Our Home, Shinsegae Food, Samsung Everland, Ahrako, Hyundai food system which were located in Seoul. Out of 360 questionnaires distributed , 272 were finally analyzed for the test. To summarize the results of the study; first, servant leadership was revealed to have a positive(+) effect on cohesiveness and organizational commitment. This gives companies catering company gives their employees meet their growing needs, led to a voluntary commitment and participation, it helps to promote a sense of ownership and responsibility. Second, cohesiveness has a positive effect(+) on organizational commitment of employees. This group of workers are highly cohesive and participatory than to receive a positive experience, and actively accept the goals of the group`s commitment to the task of explaining the high achievement. Third, cohesiveness has mediated the relationship between the servant leadership and organizational commitment. Foodservice employees with higher cohesiveness are expected to have higher intimacy and unity, so that the enhanced commitment is contributive for task accomplishment. In conclusion, servant leadership is expected to enhance the general task accomplishment level. The results of this study has shown that the servant leadership have a significant influence on the group cohesiveness and organizational commitment in foodservice companies. Limitations and future research directions are also discussed.