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Naleen De Alwis,Hyung-Sik Nam 한국항해항만학회 2023 한국항해항만학회 학술대회논문집 Vol.2023 No.1
Increasing port competition driven by the containerisation has motivated ports and terminals to focus on their performance to efficiently utilise the available resources and to make strategic decisions in port development and expansion. With both inter-port and intra-port competition increasing in the port of Colombo, this study aims to measure the efficiency of the container terminals in Colombo comparing to terminals in the port of Busan using the DEA window analysis to determine their operational efficiency and to provide suggestions for future port development activities. Multiple window analyses were conducted using CCR and BCC models with different orientations and window lengths to compare the efficiencies of 11 DMUs in both ports during the period from 2015-2019 to measure the efficiencies prior to the COVID-19 pandemic. Results revealed the largest terminal operator, PNC in Busan, to be the most efficient overall, while the second highest efficiency was recorded by one of the smallest terminal operators, SAGT in Colombo, among the sample. Although use of DEA in port performance measurement has been popular for many years, efficiency measurements in the port of Colombo, the main hub port in the South Asian region, has not been comprehensively studied so far.
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Pre-pandemic comparison of container terminal efficiency in Colombo and Busan
Naleen De Alwis,남형식 한국해운물류학회 2023 해운물류연구 Vol.39 No.2
Considering the highly competitive port environment driven by the containerization, this study aims to compare the efficiencies of the container terminal operators in the ports of Colombo and Busan prior to the COVID-19 pandemic, therefore, providing suggestions to achieve the operational efficiency and to plan future port development and expansion. PNC in Busan, with its largest scale of production, recorded the highest technical efficiency while SAGT in Colombo, among the smallest Decision-Making Units (DMUs), ranked second. The volatility observed in the technical efficiencies of the terminals indicated the dynamic nature of the industry where the new terminal operators gained significant efficiency growths with time. Port development activity in Colombo must prioritize expanding deep-draft terminals while Busan needs to focus on managing the surplus resources efficiently through corporation strategies. This study intends to address the research gap of efficiency measurements in the port of Colombo, the main container hub port in the South Asia.
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Khalil Mahmoud I.,Bramwell Austin K.,Bhandari Naleen Raj,Payakachat Nalin,Machado Bruno,Davis Rodney,Kamel Mohamed H.,Safaan Ahmed,Raheem Omer A. 대한남성과학회 2021 The World Journal of Men's Health Vol.39 No.1
Purpose: We aimed to assess the 30-day morbidity in patients undergoing combined insertion of penile prosthesis (PP) and artificial urinary sphincter (AUS) vs. PP and male sling (MS). Materials and Methods: The National Surgical Quality Improvement Program database was queried to identify patients who underwent placement of AUS or MS combined with PP. Patient demographics, postoperative morbidity including complications, readmission and reoperation rates were recorded. Student t-test and chi-square or Fischer’s exact test were used as appropriate. Results: Forty-one patients met selection criteria between 2010 and 2016. Overall, 26 patients received PP and AUS vs. 15 that received PP and MS. Average age was similar in both groups (64.8±6.6 years vs. 62.3±6.3 years, p=0.254). Diabetes mellitus was more prevalent in PP+MS group compared to AUS+PP group (46.7% vs. 11.5%, p=0.022). Average length of stay was higher in PP+AUS group compared to PP+MS group (2.2±0.6 days vs. 1.8±0.4 days, p=0.017). Postoperative morbidity was reported in four patients in PP+AUS group. No reported complications in PP+MS group. In PP+AUS group, complications included one patient who developed urinary tract infection, one developed surgical site infection, readmission in two for postoperative infection, and one return to the operating room. No reported prosthesis explantation or revision in either groups. Conclusions: Our results showed that 30-day morbidity was recorded in the PP+AUS group and none in the PP+MS group. The complication and readmission rates remain comparable to the previous reports in both groups.
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