• Title/Summary/Keyword: review standard

Search Result 1,876, Processing Time 0.03 seconds

Analysis of Drug Utilization in Patients with Chronic Hepatitis B (국내 만성 B형 간염 환자의 경구용 항바이러스제 사용 현황 분석)

  • Lee, Yu Jeong;Bae, Sung Jin;Je, Nam Kyung
    • Korean Journal of Clinical Pharmacy
    • /
    • v.26 no.3
    • /
    • pp.220-229
    • /
    • 2016
  • Background: The treatment goal for patients with chronic hepatitis B infection is to prevent progression of the disease to cirrhosis and hepatocellular carcinoma. Current therapies include standard and pegylated interferon-alfa and nucleoside/nucleotide analogues: lamivudine, adefovir, entecavir, telbivudine, clevudine, and tenofovir. This study aims to analyze changes in the prescribing patterns of chronic hepatitis B (CHB) medications in South Korea between 2013 and 2014. Methods: A cross-sectional study was conducted using National Patients Sample data compiled by the Health Insurance Review and Assessment Service from 2013 and 2014. Patients with CHB were identified with Korean Standard Classification of Diseases code-6 (B18.0 and B18.1) and those who were maintaining active prescriptions with CHB medications covering the index date (December $1^{st}$, each year) were included. The utilization of antiviral therapy was investigated during 2013 and 2014. Results: A total of 4,204 and 4,552 patients in 2013 and 2014 respectively, were included in the analysis. The proportion of male patients was two of third and the patients 41-60 years old accounted for 60% of all analyzed patients. The most utilized drug was entecavir (55.1% in 2013 and 44.8% in 2014) and the second most utilized drug was tenofovir in both years (18.8% in 2013 and 29.0% in 2014). The percentage of combination therapy was 13.6% and 13.1% in 2013 and 2014, respectively. The proportion of tenofovir prescriptions was increased in 2014 compared with 2013. Conclusion: With the development of new drugs and the changes in clinical practice guidelines, the prescription pattern of the antiviral agents for patients with CHB has changed. The rate of utilization of tenofovir has increased.

Low Computational Complexity LDPC Decoding Algorithms for DVB-S2 Systems (DVB-S2 시스템을 위한 저복잡도 LDPC 복호 알고리즘)

  • Jung Ji-Won
    • The Journal of Korean Institute of Electromagnetic Engineering and Science
    • /
    • v.16 no.10 s.101
    • /
    • pp.965-972
    • /
    • 2005
  • In this paper, we first review LDPC codes in general and a belief propagation algorithm that works in logarithm domain. LDPC codes, which is chosen for second generation digital video broadcasting standard, are required a large number of computation due to large size of coded block and iteration. Therefore, we presented two kinds of low computational algorithm for LDPC codes. First, sequential decoding with partial group is proposed. It has same H/W complexity, and fewer number of iteration's are required at same performance in comparison with conventional decoder algerian. Secondly, early detection method for reducing the computational complexity is proposed. Using a confidence criterion, some bit nodes and check node edges are detected early on during decoding. Through the simulation, we knew that the iteration number are reduced by half using subset algorithm and computational complexity of early detected method is about $50\%$ offs in case of check node update, $99\%$ offs in case of check node update compared to conventional scheme.

Preliminary Study to Develop the Instrument of Pattern Identification for Jing Ji and Zheng Chong (경계정충(驚悸怔忡) 변증도구 개발을 위한 기초 연구)

  • Park, Dae-Myung;Lee, Sang-Ryong;Kang, Wee-Chang;Jung, In-Chul
    • Journal of Oriental Neuropsychiatry
    • /
    • v.21 no.2
    • /
    • pp.1-15
    • /
    • 2010
  • Objectives : This study was performed to develop a standard instrument of Pattern Identification for jing ji and zheng chong. Methods : The advisor committee on this study was organized by 15 neuropsychiatry professors of oriental medical colleges. The items and structure of the instrument were based on review of published literature. We took consultation 2 times from the advisor committee and we also took additional advices by e-mail. Results : 1. We divided the symptoms and signs of jing ji and zheng chong into 9 pattern identification. - heart deficiency with timidity(心膽虛怯), heart qi deficiency(心氣虛), heart blood deficiency(心血虛), heart yang inactivity(心陽不振), heart blood stasis(心血瘀阻), phlegm turbidity obstructing(痰濁阻滯), yin deficiency with effulgent fire(陰虛火旺), water qi intimidating the heart(水氣凌心), dual deficiency of the heart and spleen(心脾兩虛). 2. We got the mean weights that reflect standard deviation to each symptom of 9 pattern identification which had been scored on a 100-point scale. 3. We made out the Korean instrument of the pattern identification for jing ji and zheng chong. It was composed of 17 questions in question-and-answer form. Conclusions : Instrument of Pattern Identification for jing ji and zheng chong was developed through experts' disscussion. If the validity and reliability of this instrument is confirmed through additional clinical trial, the instrument of pattern identification for jing ji and zheng chong is expected to be applied to the subsequent research.

Method of Saliva Collection for Salivary Cortisol Measurement (타액 코티졸 측정을 위한 타액 수집 방법 조사)

  • Choi, Sanho;Lee, Ilsuk;Song, Inja;Kwon, O Jong;Park, Keeeon;Hong, Haejin;Sung, Kang-Keyng;Lee, Sangkwan
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.28 no.2
    • /
    • pp.223-232
    • /
    • 2014
  • Most of salivary cortisol are an unbound free form reflecting physiological function later. Thus, it is used frequently to evaluate the HPA-Axis and physiological function. Although the needs of salivary cortisol measurement in Korean Medicine is higher and higher, there are not many studies, because the reliability of salivary cortisol measurement is not high. To make the reliability high and encourage to use it in Korean Medicine, the goal of this study is to suggest the standard method of saliva collecting for cortisol measurement through the review of previous studies using salivary cortisol and to encourage to use it in clinical fields in Korean Medicine. The results are as followed; First, salivary cortisol has many benefits, i. e. easy collecting, non-invasive collecting, and reflecting the physiological function. Second, the collecting time and method are kept sternly, because the methods of saliva collecting vary depending on the goal of study. Third, the specific tools for saliva collecting are recommended to prevent contamination. In conclusion, if the standard methods of saliva collecting is kept to measure salivary cortisol, it would be very useful in many fields of Korean Medicine.

The Acceleration Response Spectrum for Simulated Strong Motions Considering the Earthquake Characteristics of the Korean Peninsula (한반도 지진특성을 고려하여 모사된 강진동에 대한 가속도 응답스펙트럼)

  • Kim, Sung-Kyun
    • Journal of the Korean earth science society
    • /
    • v.28 no.2
    • /
    • pp.179-186
    • /
    • 2007
  • The response spectrum is one of the important basic materials for the aseismic design. Numerous strong ground motions based on the seismic source characteristics for the earthquakes occurring in the Korean Peninsula were simulated to obtain the response spectra by using the computer program, SMSIM, developed by Boore (2005). Through the extensive review of other study outcomes, the input data for the simulation such as seismic source and attenuation characteristics were selected. The spectra obtained from the simulated ground motions were normalized to 1.0 g of zero period acceleration and compared with the standard response spectrum proposed by the U.S. Atomic Energy Commission (AEC, 1973). In this study, we found that the spectral values for the response spectra appeared to be larger than those of the standard spectrum in the frequency band above roughly 10 Hz. The variation of resulting response spectra was evaluated with the variable stress drops. It was shown that the spectral amplitude of the spectrum for the larger stress drop denotes higher value in the low frequency range.

Incoterms 2000 and Main Principle of Division of Costs (INCOTERMS 2000과 비용부담원칙(費用負擔原則))

  • Park, Nam-Kyu
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
    • /
    • v.13
    • /
    • pp.3-26
    • /
    • 2000
  • The International Chamber of Commerce published the millennium edition of its standard trade definitions, Incoterms 2000. Incoterms are a basic reference for sales contracts, in constant daily use throughout the world. The new version will make it easier for traders to do business in the new century, despite the growing volume and complexity of international transactions. Since Incoterms were first published in 1936, they have been updated six times. They precisely define the responsibilities of buyer and seller and are recognized as the international standard by customs authorities and courts in all the main trading nations. It is important for traders to incorporate the correct Incoterms into their international contracts to avoid unnecessary legal problems. Courts may otherwise interpret trade terms according to often widely divergent national laws and unless the use of Incoterms is specified, expensive legal disputes can arise. Division of costs is a most important element in every contract of sale. The parties must know not only who does what but also how costs resulting therefrom should be divided between them. In most cases the fact that a party must do something means that he must also bear the resulting costs, unless otherwise agreed. But there are many exceptions to this principle and uncertainties arise, particularly with respect to services performed by other parties. Also, difficulties arise with respect to the division of costs whenever additional costs are caused by unexpected events, such as hindrances causing a ship to deviate or to remain in a seaport longer than expected. The main principle of the division of costs is clear enough: the seller has to pay costs necessary for the goods to reach the agreed point of delivery, and the buyer has to pay any further costs after that point. But as noted, it is not always easy to implement this principle in practice, since the detailed distribution of functions under the various trade terms is not and cannot be fully defined in Incoterms. Instead, failing precise stipulations in the contract of sale, guidance must be sought from other criteria such as commercial practices used earlier by the same parties or the custom of trade.

  • PDF

A Legal Study on the Standard for Conformity of the Goods in the International Sale of Goods (국제물품매매계약상(國際物品賣買契約上) 물품일치성(物品一致性)의 기준(基準)에 관한 법리적(法理的) 고찰(考察))

  • Song, Myeong-Bok
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
    • /
    • v.12
    • /
    • pp.133-162
    • /
    • 1999
  • The international sale transaction is in essence a sale of goods and presents all those commercial and legal problems in any sale of goods. As a result, A International sales contract imposes several duties on the parties : the seller must deliver the goods and transfer ownership in them, while the buyer must pay the price and take delivery of the goods. However, there are several problems which impede a active transaction between seller and buyer who have their places of business in other countries each other. Therefore, It is necessary to provide the concept on the conformity of goods in the Int'l Sale of Goods. Especially, In our consideration for the point of time when defects occurs, the existence of non-conformity of goods should be judged on the basis of time of delivery rather than time of contract. Moreover, The burden of proof about nonconformity of goods is another fact which make an international dispute between the contractual parties in an international trade. Thus, The consistency in the interpretation of law must be maintained betweened the warranty and seller's liability. In the Uniform Commercial Code and UN Convention, non-conformity of contract is made of contract liability. And in our civil and commercial law provisions of warranty should be understand as the special ones of the provisions of general non-performance of obligation liability. As a result, More concrete study of them is required because they may have a great influence especially on international trade. As a result, We should be our best in finding a helpful and systematic structure that the dualistic structure of nonperformance of obligation liability and warranty liability must be unified by studying the theories of English and American warranty and our legal system, as well as international practice and usage being used in an international trade.

  • PDF

Contents Analysis of Vocabulary Learning Game Application on Smart-Phone and Tablet PC for Young Children's Language Learning (유아 언어학습용 단어게임 애플리케이션 분석)

  • Hyun, Eunja;Yeon, Hyemin;Jang, Juyeon;Lee, Eunyoung
    • The Journal of the Korea Contents Association
    • /
    • v.13 no.11
    • /
    • pp.551-561
    • /
    • 2013
  • The purpose of this study was firstly, to evaluate the contents of vocabulary game applications for young children's language learning. and secondly, to examine whether there is any differences between Korean and English word games in terms of the evaluation score. For this purpose, the word game applications in smart phone and tablet PC were analyzed, which included 30 Korean word games and another 30 English ones. The criteria to evaluate the contents were developed based on Children's Software Evaluation Instrument developed by CTR, the multimedia evaluation standard by Hee Sook Park, Young Joo Lee, and mobile contents evaluation standard by Soo Ui Choi. As a result, the educational value got the highest score whereas the design characteristics area got the lowest score in the whole evaluation analysis. And English word game applications mostly got higher score than Korean versions. The result of this study would suggest the way to evaluate educational game applications in use and to contribute to developing educational game contents aimed at young children's language learning.

A Historical Study on the American-British Cataloging Rules (영미계목록규칙 발전의 사적 고찰)

  • 심의순;손문철
    • Journal of Korean Library and Information Science Society
    • /
    • v.11
    • /
    • pp.143-173
    • /
    • 1984
  • This study has been done to review the historical development of the cataloging system of books with emphasis on those in England and the U. S. The findings can be summarized as follows: (1) In 1844, Sir Panizzi invented what seems to be the first of its kind in history to list the inventory systematically at the British Museum. It is believed to be a complete system consisting of 91 articles. (2) A comparatively systematic system was developed in America by Jewett. in 1852. Composed of only 39 articles, the system is considered a renovative one worked out with due regard to the infrastructure of a library. (3) In 1876, a classic system based on a lexicographical order was set up by Cutter. Rated as the best one that was designed by an individual, the theory has since exercised widespreading effects on cataloging. (4) American and British library scientists collaborated in printing several editions of numerous volumes on the principles of classification, but they are not believed fully successful in establishing a consistent and compressive system. Their efforts found significance rather in their being the first international collaboration and setting a foundation upon which the international system of today has been developed. (5) The ALA Rule, published concurrently in ALA and LC in 1949, had two parts in its classification, the list of authors and that of titles. Its scientific classification has completed the cataloging of books in its developmental stage. (6) The 1967 American-British Rules integrated the cataloging systems published under separate covers by authors and titles. The system as well as the 1961 Paris System has greatly contributed to the standardization of bibliographical description throughout the English-speaking countries. The International Standard Book Description standardized Bibliographic system has enabled the librarians in different countries to exchange their bibliographical sources easily, helped to overcome the language barrier in listing and contributed to the efficient reading of bibliographical records through machines. (7) The second edition of the Angelo-American cataloging Rules, promulgated in 1978 under the influence of the international standard bibliographical description, was the one in which all the previous Rules were revised to have their strong points. The adoption of punctuation system to employ the computerized data processing and the standardization of description are expected to improve the cataloging system not only in the English speaking countries but in the Universal Bibliographic Control as well.

  • PDF

Low Computational Complexity LDPC Decoding Algorithms for 802.11n Standard (802.11n 규격에서의 저복잡도 LDPC 복호 알고리즘)

  • Kim, Min-Hyuk;Park, Tae-Doo;Jung, Ji-Won;Lee, Seong-Ro;Jung, Min-A
    • The Journal of Korean Institute of Communications and Information Sciences
    • /
    • v.35 no.2C
    • /
    • pp.148-154
    • /
    • 2010
  • In this paper, we first review LDPC codes in general and a belief propagation algorithm that works in logarithm domain. LDPC codes, which is chosen 802.11n for wireless local access network(WLAN) standard are required a large number of computation due to large size of coded block and iteration. Therefore, we presented three kinds of low computational algorithm for LDPC codes. First, sequential decoding with partial group is proposed. It has same H/W complexity, and fewer number of iteration's are required at same performance in comparison with conventional decoder algorithm. Secondly, we have apply early stop algorithm. This method is reduced number of unnecessary iteration. Third, early detection method for reducing the computational complexity is proposed. Using a confidence criterion, some bit nodes and check node edges are detected early on during decoding. Through the simulation, we knew that the iteration number are reduced by half using subset algorithm and early stop algorithm is reduced more than one iteration and computational complexity of early detected method is about 30% offs in case of check node update, 94% offs in case of check node update compared to conventional scheme.