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Putera Husna Dharma,Halim Valentina,Panghiyangani Roselina 대한응급의학회 2023 Clinical and Experimental Emergency Medicine Vol.10 No.3
Objective: The global spread of the COVID-19 pandemic has affected all aspects of medicine, including orthopedic trauma surgery. This study aims to investigate whether COVID-19 patients who underwent orthopedic surgery trauma had a higher risk of postoperative mortality. Methods: ScienceDirect, the Cochrane COVID-19 Study Register, and MEDLINE were searched for original publications. This study adhered to the PPRISMA 2020 statement. The validity of the studies was evaluated using a checklist developed by the Joanna Briggs Institute. Study and participant characteristics, as well as the odds ratio, were extracted from selected publications. Data were analyzed using RevMan ver. 5.4.1. Results: After applying the inclusion and exclusion criteria, 16 articles among 717 total were deemed eligible for analysis. Lower-extremity injuries were the most common condition, and pelvic surgery was the most frequently performed intervention. There were 456 COVID-19 patients (6.12%) and 134 deaths among COVID-19 patients, revealing an increase in mortality (29.38% vs. 5.30%; odds ratio, 7.72; 95% confidence interval, 6.01–9.93; P<0.001). Conclusion: Among COVID-19 patients who received orthopedic surgery due to trauma, the postoperative death rate increased by 7.72 times.
Factors Affecting Consumer Intention on QR Payment of Mobile Banking: A Case Study in Indonesia
Krisananda Putera KOSIM,Nilo LEGOWO 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.5
Technological developments facilitate payment transactions. In 2020, Bank Indonesia issued a regulation that supports QR payments using the Indonesian Standard Quick Response Code (QRIS). PT ABC is one of the banks that launched a QR payment feature on mobile banking with QRIS standards to make it easier for customers to make payment transactions at various merchants. In its implementation, the interest of QR payment users still tends to be small, so an analysis of the interests of QR payment users is carried out. The purpose of this study is to analyze the factors that influence user interest by using a modified UTAUT model. The UTAUT model was modified by adding variables to perceived trust, perceived risk, perceived regulatory support, and promotional benefits. The population taken is the company’s customers in the DKI Jakarta area and it takes 403 samples for this case study. The results of empirical analysis show that 8 out of 12 hypotheses are considered proven where business expectations, social influence, perceived trust, perceived risk, perceptions of regulatory support, promotion benefits, age-moderated performance expectations, and age-moderate effort expectations have a significant effect on behavioral intentions, while performance expectations, facilitation conditions, business expectations are moderated by experience and social influence.
Dynamic Key Matrix of Hill Cipher Using Genetic Algorithm
Andysah Putera,Utama Siahaan,Robbi Rahim 보안공학연구지원센터 2016 International Journal of Security and Its Applicat Vol.10 No.8
Genetic algorithms can solve complex problems, including the problems of cryptography. What problems often occur on the Hill Cipher is the waste of time to determine the numbers that are used in the encryption process. In the encryption process, it is not a problem if the key is derived from any number. However, the problem is ciphertext cannot be returned to the original message. The key that is used must have the determinant is 1. To find the value of it is something that takes time if it must be done manually. Due to the entered value to the Hill Cipher is random, Genetic algorithms can be used to optimize the search time. By using this algorithm, the determinant calculation will be more accurate and faster. The result achieved is the program can specify some combination of numbers that can be used as the encryption key Hill Cipher and it can reject the unnecessary numbers.
The Dynamics of Research Output by Indonesian Scientist, Period of 1945-2021
Prakoso Bhairawa Putera,이다 위디아닝시,Sinta Ningrum,Suryanto Suryanto,Yan Rianto 아시아기술혁신학회 2022 Asian Journal of Innovation and Policy Vol.11 No.3
This research was conducted by applying a bibliometric analysis to determine the dynamics of research topics from ten percent of research output (international publications) generated by Indonesian scientists from the period of 1945-2021. This study utilizes VOSviewers version 1.6.18 for analysis and visualization of bibliometric networks. The research results indicate that 50.24% of Indonesian international publications are published in the form of articles, with subjects such as: Agricultural and Biological Sciences, Medicine, and Earth and Planetary Sciences as the most dominating subject areas. Regarding the author, Tjia, MO from Bandung Institute of Technology was acknowledged as the top author in terms of the number of publications produced for two periods. The article entitled "Global, regional, and national prevalence of overweight and obesity in children and adults during 1980-2013: A systematic analysis for the Global Burden of Disease Study 2013" (Ng et al., 2014) became the most cited one.
The strategies for scientific literacy in Indonesia
Prakoso Bhairawa Putera,Sinta Ningrum,Suryanto Suryanto,이다 위디아닝시,Yan Rianto 아시아기술혁신학회 2022 Asian Journal of Innovation and Policy Vol.11 No.2
The historical aspects, policies, institutions, awards and measurement results of scientific literacy and scientific culture development in Indonesia have currently attracted further exploration. This paper utilizes secondary data research, further analyzed by employing the Supplementary Analysis technique. The results revealed that the tradition of writing and publishing scientific journals in Indonesia has existed ever since the Dutch East Indies with the journal's publication entitled 'Natuurkundig tijdschrift voor Nederlandsch Indië' in 1850. To date, Indonesia has owned 5,990 nationally accredited journals. Policy support has been provided at the national and regional levels, despite limitations in cultivating literacy and reading habit. From the institutional perspective, Indonesia provides a wide array of public support, including the effort of the Ministry of Education and Culture for advocating the national literacy movement and the availability of a reference database and scientific access established by the National Library; the Indonesian Institute of Sciences, and the Ministry of Research and Technology. Similarly, in the award-related perspective, the Indonesia government has granted awards to individuals or groups and local governments engaging in the cultivation of scientific literacy and scientific culture. However, among the global measurements for literacy development in Indonesia (in 2020) recorded that three indicators scored less than those in 2019.
Prakoso Bhairawa Putera,Amelya Gustina 아시아기술혁신학회 2023 Asian Journal of Innovation and Policy Vol.12 No.3
Text data mining (‘big data methods’) is one of the most widely used approaches during the COVID-19 pandemic. In particular, text data mining on Scopus databases or Web of Science (WoS). Text data mining is widely used to collect literature for later bibliometric analysis, and in the end, it becomes a literature review article. Therefore, in this article, we reveal the trend of publication of literature reviews in Scopus journals from Indonesia, Japan, South Korea, Vietnam, Singapore, and Malaysia. This article describes two essential parts, namely 1) a comparison of international publication trends and subject area of literature review publications, and 2) a comparison of Top 5 for Authors, Affiliation, Source Title, and Collaboration Country.
Prakoso Bhairawa Putera,Suryanto Suryanto,Sinta Ningrum,Ida Widianingsih 한국과학학술지편집인협의회 2020 Science Editing Vol.7 No.2
Purpose: The aim of this study was to analyze the bibliometric characteristics of articles on innovation systems published in Scopus-indexed journals by authors with Indonesian affiliations from 1998 to 2019, in comparison with those published by authors from Singapore and Malaysia. Methods: We conducted a bibliometric and content analysis of publications in the Scopus database. A total of 138 articles from Indonesia, 209 articles from Singapore, and 309 articles from Malaysia were analyzed. They were classified by publication year, authors, co-authors’ country, affiliation, keywords, and journal title. Results: Authors with affiliations from Malaysia were more productive than authors from Singapore and Indonesia during 1998 to 2019. In terms of the quality of papers, Singapore had more productive authors than Malaysia and Indonesia based on the citation frequency. Conclusion: Although fewer articles on innovation systems were published by authors from Indonesia than by those from Malaysia and Singapore, the recent increase in the number of publications by Indonesian authors suggests that number of articles from Indonesia will soon surpass those from the other two countries. International collaboration will help accelerate the number of publications.