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( Younjeong Lee ),( Kyung-jin Min ),( Sanghoon Lee ),( Jin Hwa Hong ),( Jae Yun Song ),( Jae-kwan Lee ),( Nak Woo Lee ) 대한산부인과학회 2018 대한산부인과학회 학술대회 Vol.104 No.-
Objective: To prove that making distinction between the cytology of Atypical Squamous Cells of Undetermined Significance (ASCUS) and Low-grade squamous intraepithelial lesion (LSIL) or between Atypical Squamous Cells cannot exclude HSIL (ASC-H) and High-grade Squamous Intraepithelial Lesion (HSIL) in clinical practice may not be necessary. Methods: Including the referrals from local hospitals, we investigated women who visited Korea university medical center, Guro hospital for cervical cancer screening from February 2004 to December 2014. Through chart review, we collected data of cervical biopsy of four groups: ASCUS, LSIL, ASC-H, and HSIL. Using Cochran-Mantel-Haenszel statistics method, we compared the pathologic results of cervical biopsy of ASCUS group to LSIL group, and ASC-H group to HSIL group in the same manner. Results: Of 216,723 women enrolled for Papanicolaou (Pap) smears, after excluding the results of cervical biopsy other than WNL, CIN1, CIN2, CIN3/CIS, and cervical cancer, total 855 women were included in this study. There were 161 women with cytology result of ASCUS, 425 women with LSIL, 22 women with ASC-H, and 247 women with HSIL. According to the Cochran-Mantel-Haenszel statistics, the p-value for the comparison between ASCUS group and LSIL group was 0.00068 (p< 0.05), which was statistically significant by proving differentiation between two groups. Conversely, the p-value for the association between ASC-H and HSIL was 0.26834 (p >0.05) which accepted the hypothesis of the study by not distinguishing two groups. Overall, the results of cervical biopsy between ASCUS and LSIL did show differentiation, yet ASC-H and HSIL did not have significant difference. Conclusion: Although the cytology results of ASCUS and LSIL are necessary to be distinguished, making distinction between the cytology of ASC-H and HSIL in the clinical practice may not be necessary. Further studies of comparing cytology of these groups may be helpful to simplify the colposcopy results in the real world.
학습자의 심리적 특성을 고려한 사회과 온라인 토론학습 전략
이윤정(Younjeong Lee) 한국사회과교육연구학회 2014 사회과교육 Vol.53 No.1
이 연구는 그동안 사회과 온라인 토론학습에서 간과하였던 학습자의 심리적 특성에 대해 규명하고 이를 고려한 새로운 사회과 온라인 토론학습 전략을 제시한 연구이다. 이를 위해 교육공학 및 교육정보학, 사회교육, 언론 정보학 영역에서의 선행 연구 결과들을 살펴봄으로써 온라인 토론 과정에서 발생하는 학습자의 심리적 특성을 파악하였다. 온라인 토론 과정에서 나타나는 학습자의 심리적 특성에는 호기심, 흥미, 참여에 대한 부담감, 고립에 대한 두려움과 회피심리, 정서적 유대감을 들 수 있다. 이들 중에서 토론 효과를 높일 수 있는 긍정적 심리적 특성인 호기심과 흥미, 정서적 유대감은 증진시키되 부정적 심리적 특성인 참여에 대한 부담감, 고립에 대한 두려움과 회피심리는 감소시키는 방향으로 사회과 온라인 토론 전략을 모색하였는데 이렇게 수립된 토론 전략은 다음과 같다. 첫째, 자유로운 글쓰기에서 논리적 글쓰기로 토론 단계를 구성한다. 둘째, 온라인 토론 기초능력 개발 프로그램을 실시한다. 셋째, 비슷한 의견을 가진 동료와의 동조 경험을 제공한다. 넷째, 학습자 주도의 주제선정 과정을 마련한다. 다섯째, 창의성을 발휘할 수 있는 토론 자료를 활용한다. The purpose of this study is to develop the strategies of online discussion study considering psychological traits of student. For the this purpose, I searched for many works which are the study searched for the previous research about Educational technology, Communications, Social Studies. It figured out that the psychological traits of student participating the online discussion study. In online discussion study, there are some psychological traits which are containing the curiosity, interest, academic pressure for writing the logical digital text, fear of isolation, feeling of evasion and emotional bonds. The basic direction to make strategies of online discussion is to increase the positive psychological traits such as curiosity, interest, emotional bonds and decrease the negative psychological traits such as academic pressure for writing the logical digital text, fear of isolation, feeling of evasion. The effective strategies of online discussion study considering psychological traits of student can be summarized as follows. First, to construct a step of discussion that students writing freely to logically. Second, to make the program that students can develope increasing discussion ability based on online atmosphere. Third, teachers provide a program to share an experience to student who have similar opinion. Fourth, teachers also give the opportunity that student can select the main topic themselves. Fifth, to use many creative discussion materials for students.
추천 성능 향상을 위한 사용자별 가중치 자동 설정 기법
이성진(SeongJin Lee),이연정(YounJeong Lee),이수원(Soowon Lee) 한국정보과학회 2005 한국정보과학회 학술발표논문집 Vol.32 No.2
추천 기술이란 과도하게 제공되는 정보를 여과하여 사용자에게 필요한 정보만을 제공해 주는 것으로 대표적으로는 협력적 여과가 있다. 그러나 협력적 여과는 희소성 문제와 확장성에 취약점을 보이고 있어 최근 이를 극복하기 위한 내용 기반 추천 기법에 관한 연구가 활발히 이루어지고 있다. 내용 기반의 추천 기법에서 효율적인 추천이 이루어지기 위해서는 각 요소별 가중치를 어떻게 설정할 것인가가 매우 중요하다. 기존의 연구에서는 요소별 가중치를 다양한 실험에 의해 결정하고 이를 모든 사용자에게 동일하게 적용하는 방식을 취하고 있다. 그러나 사용자마다 콘텐츠 선택 기준과 요인이 다를 수 밖에 없으므로 이러한 방식은 사용자의 선호 정보를 효과적으로 반영할 수 없다. 따라서 본 논문에서는 사용자의 선호 정보 분석과 함께 각 요소별 가중치를 사용자별로 자동으로 설정하여 보다 효과적인 추천이 이루어질 수 있는 기법을 제안한다.
Do we need colonoscopy verification in patients with fundic gland polyp?
( Hee Sook Lee ),( Younjeong Choi ),( Ja Young Jung ),( Young Jun Sung ),( Dong Won Ahn ),( Ji Bong Jeong ),( Byeong Gwan Kim ),( Kook Lae Lee ),( Seong Joon Koh ),( Ji Won Kim ) 대한장연구학회 2016 Intestinal Research Vol.14 No.2
Background/Aims: The aim of this study was to evaluate the prevalence of colorectal neoplasia in subjects with fundic gland polyps (FGPs) and the relationship between FGPs and colorectal neoplasia in Korea. Methods: We analyzed 128 consecutive patients with FPGs who underwent colonoscopy between January 2009 and December 2013. For each case, age- (±5 years) and sex-matched controls were identified from among patients with hyperplastic polyps, gastric neoplasms, and healthy controls. Clinical characteristics were reviewed from medical records, colonoscopic findings, pathologic findings, and computed tomography images. The outcome was evaluated by comparison of advanced colonic neoplasia detection rates. Results: Of the 128 patients, seven (5.1%) had colon cancers and seven (5.1%) had advanced adenomas. A case-control study revealed that the odds of detecting a colorectal cancer was 3.8 times greater in patients with FGPs than in the age- and sex-matched healthy controls (odds ratio [OR], 3.80; 95% confidence interval [CI], 1.09-13.24; P =0.04) and 4.1 times greater in patients with FGPs than in healthy controls over 50 years of age (OR, 4.10; 95% CI, 1.16-14.45; P =0.04). Among patients with FGPs over 50 years old, male sex (OR, 4.83; 95% CI, 1.23-18.94; P =0.02), and age (OR, 9.90; 95% CI, 1.21-81.08; P =0.03) were associated with an increased prevalence of advanced colorectal neoplasms. Conclusions: The yield of colonoscopy in colorectal cancer patients with FGPs was substantially higher than that in average-risk subjects. Colonoscopy verification is warranted in patients with FGPs, especially in those 50 years of age or older. (Intest Res 2016;14:172-177)
지역사회 기반 재가노인 우울 및 자살예방 프로그램의 효과성 평가
최윤정(Choi Younjeong),이미경(Lee Mikyung),김은아(Kim Eunah),서은해(Seo Eunhae) 한국지역사회복지학회 2018 한국지역사회복지학 Vol.0 No.65
본 연구는 부산재가노인복지협회에서 수행한 지역사회 기반 노인우울 및 자살예방사업 『빅.마.마』사업의 효과를 평가하는데 목적이 있다. 효과성 검증을 위해 실험-통제집단, 사전-사후검사 연구설계를 사용하여 SPSS 24.0을 활용하여 분석하였다. 분석결과 실험집단(234명)과 통제집단(275명)모두에서 우울과 자살사고, 사회적 자본, 자아존중감, 삶의 질에서 통계적으로 유의미한 수준의 변화가 나타났고, 스트레스 감소에도 유의미한 효과가 확인되었다. 이러한 결과에 따라 첫째, 노인정신건강과 관련한 서비스의 확대와 지속적이고 장기적인 개입과 프로그램 개발 요구, 둘째, 재가노인지원서비스 센터실무자들이 대상자들에 대해 심리․정서적 지원업무를 수행하는 주체로의 가능성 확인, 셋째, 민간 주도의 노인 우울․자살예방사업의 시스템 구축의 의미를 제시하였다. The purpose of this study was to investigate the effects of "Big.Ma.Ma", a community-based mental health program for the elderly of Busan Association in Community Care for the Elderly. To verify the effectiveness, use the experimental control group and pre - post - test research design, analyzed using SPSS 24.0. The results of analysis, depression, suicide ideation, social capital, self-esteem and quality of life were difference at the statistically significant level in both of experimental group(234) and control group(275), and showed that this program had significant effects on stress reduction in the elderly. Based on the effect of this program, finding suggest to expand the elderly mental health services and to develop continuous and long-term interventions and programs. In addition, it is considered that this study gave new possibilities that home support service center practitioners to be perform various psychological and emotional support tasks to elderly. Finally, it is significant meaning in that it has established a system of private-led elderly depression and suicide prevention project.
Zin Mar Lwin,Younjeong Heo,Eunsung Lee,Young Jae Lee,Sangkyung Sung 한국항공우주학회 2010 한국항공우주학회 학술발표회 논문집 Vol.2010 No.4
In this paper, performance of resampling algorithms are explored and analyzed based on the simulation of particle filter for the flight heading error estimation using magnetometer and IMU. Development of resampling method plays an important role in particle filter implementation because the effects of degeneracy problem found in particle filter can be reduced by using resampling method. The main goal of this paper is to compare the resampling methods and to investigate the most efficient resampling method to increase the speed and to improve the quality of particle filter for an advanced application.