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- 저자 : ( Ming Tao Chou ) (검색결과 4 건)
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Efficiency measurement of selected international ports using aggregated performance index
CHOU Ming-tao,LEE Hsuan-shih 한국해운물류학회 2004 해운물류연구 Vol.43 No.-
In this paper, we propose the Aggregated Performance Index method. This study applies Aggregated Performance Index to provide an efficiency measurement for international ports. The Aggregated Performance Index technique is powerful in resolving the measurement of port efficiency and ranking of port, because Aggregated Performance Index has been applied to analyze the relative efficiency of decision-making units (DMUs) in a set of multiple inputs and multiple outputs, and don't require an explicit a priori determination of relationships between outputs and inputs. Using multidimensional scaling (MDS) process, we adjustment and present an alternative that is theoretically and practically superior to the most common methods proposed in the past papers, especially in the DMUs measure field. This method overcomes the problem of Data Envelopment Analysis method which can neither rank efficiency of ports nor show the real efficiency distance of DMUs. Thus, the Aggregated Performance Index method is useful in wide array of Australian and other international ports' ranking.Finally this Aggregated Performance Index method is applied to the ranking of 16 international ports. As a result, five ports, the port of Melbourne, the port of Osaka, the port of Zeebrugge, the port of Brisbane, and the port of Fremantle are found to be the most inefficient ports. Six other international ports, the port of Tanjung Priok, the port of Hamburg, the port of Sydney, the port of Tilbury, the port of Yokohama, and the port of La Spezia, which are found to be efficient ports. The port of Singapore, the port of Hong Kong, the port of Felixstowe, the port of Rotterdam, and the port of Keelung are found to be the most efficient ports.
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Efficiency Measurement of Selected International Ports using Aggregated Performance Index
( Ming Tao Chou ),( Hsuan Shih Lee ) 한국해운물류학회(구 한국해운학회) 2004 해운물류연구 Vol.41 No.-
In this paper, we propose the Aggregated Performance Index method. This study applies Aggregated Performance Index to provide an efficiency measurement for international ports. The Aggregated Performance Index technique is powerful in resolving the measurement of port efficiency and ranking of port, because Aggregated Performance Index has been applied to analyze the relative efficiency of decision-making units (DMUs) in a set of multiple inputs and multiple outputs, and don`t require an explicit a priori determination of relationships between outputs and inputs. Using multidimensional scaling (MD5) process, we adjustment and present an alternative that is theoretically and practically superior to the most common methods proposed in the past papers, especially in the D MUs measure field. This method overcomes the problem of Data Envelopment Analysis method which can neither rank efficiency of ports nor show the real efficiency distance of DMUs. Thus, the Aggregated Performance Index method is useful in wide array of Australian and other international ports` ranking. Finally this Aggregated Performance Index method is applied to the ranking of 16 international ports. As a result, five ports, the port of Melbourne, the port of Osaka, the port of Zeebrugge, the port of Brisbane, and the port of Fremantle are found to be the most inefficient ports. Six other international ports, the port of Tanjung Priok, the port of Hamburg, the port of Sydney, the port of Tilbury, the port of Yokohama, and the port of La Spezia, which are found to be efficient ports. The port of Singapore, the port of Hong Kong, the port of Felixstowe, the port of Rotterdam, and the port of Keelung are found to be the most efficient ports.
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Chyong-Huey Lai,Elizabeth Vallikad,Hao Lin,Lan-Yan Yang,Shih-Ming Jung,Hsueh-Erh Liu,Yu-Che Ou,Hung-Hsueh Chou,Cheng-Tao Lin,Huei-Jean Huang,Kuan-Gen Huang,Jiantai Qiu,Yao-Ching Hung,Tzu-I Wu,Wei-Yang 대한부인종양학회 2020 Journal of Gynecologic Oncology Vol.31 No.1
Objectives: An Asian Gynecologic Oncology Group phase III randomized trial was conducted to determine whether maintenance chemotherapy could improve progression-free survival (PFS) in stages III/IV ovarian cancer. Methods: Between 2007 and 2014, 45 newly-diagnosed ovarian cancer patients were enrolled after complete remission and randomized (1:1) to arm A (4-weekly carboplatin area under the curve 4 and pegylated liposomal doxorubicin [PLD] 30 mg/m2, n=24) for 6 cycles or arm B (observation, n=21). The primary end-point was PFS. A post hoc translational study was conducted to deep sequence BRCA/homologous recombination deficiency (HRD) genes, because BRCA/HRD mutations (BRCA/HRDm) are known to be associated with better prognosis. Results: Enrollment was slow, accrual was closed when 7+ years had passed. With a median follow-up of 88.9 months, the median PFS was significantly better in arm A (55.5 months) than arm B (9.2 months) (hazard ratio [HR]=0.40; 95% confidence interval [CI]=0.19–0.87; p=0.020), yet the median overall survival was not significantly different in arm A (not reached) than arm B (95.1 months) (p=0.148). Overall grade 3/4 adverse events were more frequent in arm A than arm B (60.9% vs 0.0%) (p<0.001). Quality of life was generally not significantly different. Distribution of BRCA1/2m or BRCA/HRDm was not significantly biased between the two arms. Wild-type BRCA/non-HRD subgroup seemed to fare better with maintenance therapy (HR=0.35; 95% CI=0.11–1.18; p=0.091). Conclusions: Despite limitations in small sample size, it suggests that maintenance carboplatin-PLD chemotherapy could improve PFS in advanced ovarian cancer.
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