• 제목/요약/키워드: subclassification

검색결과 22건 처리시간 0.025초

성향점수를 이용한 무응답 보정 연구 (A Study on Nonresponse Adjistment by Using Propensity Scores)

  • 이계오
    • 한국조사연구학회지:조사연구
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    • 제10권1호
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    • pp.169-186
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    • 2009
  • 본 연구는 사회조사에서 무응답으로 인한 편향을 축소하는 방안으로 성향점수를 이용하는 방법과 사례를 설명하기 위해서 성향점수 방법의 이론적인 개념과 배경을 정리하였다. 또한 성향점수 방법을 처음으로 적용한 역학적인 관찰연구에서 성향점수 모형의 정의와 이론적 배경을 살펴보았고 추정에서 편향의 축소방법으로 이용되는 가지 성향점수 방법을 정리하였다. 성향점수로 짝짓기는 통제그룹의 데이터가 상대적으로 많을 경우에 이용되고 부차분류법은 통제그룹의 모든 데이터를 이용할 수 있으며 회귀모형을 이용한 보정은 다중공변량에서도 사용할 수 있을 뿐만 아니라 각 관찰단위에 성향점수 값을 산출하여 사용할 수 있는 특징이 있다. 그리고 사회여론조사에서 항목무응답으로 인한 편향을 축소하는 데 성향점수 가중법을 적용하는 절차를 제안하고 기존의 데이터를 이용하여 실제 적용에 대한 가능성을 검토하였다.

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민간경비의 직업정체성과 직업명망 확립을 위한 제도적 개선방안 연구 : 한국표준직업분류상 경비원 직업분류의 개선을 중심으로 (A Study on the Institutional Improvement for Establishment of Occupational Identity and Occupational Prestige of Private Security)

  • 서진석
    • 융합보안논문지
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    • 제17권5호
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    • pp.187-203
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    • 2017
  • 본 연구는 민간경비의 직업정체성이나 직업적 명망에 영향을 주는 공식적 제도적 구현방법인 한국표준직업분류체계에 대한 문제점을 분석하고, 이에 대한 개선방안을 제시하는데 초점이 있다. 현행 한국표준직업분류(KSCO)는 현행 민간경비 관련 법규체계, 관련된 고등교육체계와 사회교육체계에서의 교과과정, 향후의 NCS체계나 신자격 체계 등을 적절히 반영하지 못하고, 현재의 보안 및 경비관련 시장과 부정합을 야기하는 등의 문제점을 내포하고 있다. 이에 (1) 단순노무종사자에 중복 분류된 민간 경비 관련 직업을 일원화하여야 한다. (2) 무인경비원(4123)을 삭제하고, 대신 보안경비원(4123)을 신설한다. (3) 보안경비원(4123)에 대한 세세분류로 시설경비원(41230), 호송경비원(41231), 기계경비원(41232), 보안관제원(41233), 특수경비원(41234) 등을 신설한다. (4) 대분류 9(코드9)의 단순노무종사자에서 중분류 및 소분류의 명칭을 변경하고, 경비원(9421)을 감시원(9421)로 조정한다.

원격 전이 여부에 따른 4기 위암의 세분류(IVa 및 IVb) (Subclassification of Stage IV Gastric Cancer According to the Presence of Distant Metastasis (IVa and IVb))

  • 하태경;권성준
    • Journal of Gastric Cancer
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    • 제6권3호
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    • pp.173-180
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    • 2006
  • 목적: 위암 병기 4기는 다른 병기에서와 같이 여러 T인자 및 N인자로 구성되어 있으며, 특히 원격 전이가 존재하는 경우가 포함되어 있다. 4기에 속하는 위암 중 원격 전이군(M1)의 경우는 근치적 절제가 불가능한 경우로서 비 원격 전이군(M0)과 함께 동일 병기로 분류되어 있어 원격 전이 유무에 따라 환자의 생존율에 의미있는 차이가 있을 수 있다는 가능성을 가지고 비교 분석하였다. 대상 및 방법: 1992년 6월부터 2005년 12월까지 본원에서 위암으로 수술한 1,630명 가운데 위절제술이 가능했던 4기 환자 308명을 대상으로 원격 전이 유무에 따른 여러 임상병리학적 인자들의 특성과 생존율을 비교 분석하였으며 추적기간의 중앙값은 43개월(범위, $1{\sim}154$개월)이었다. 결과: M0군의 5년 생존율은 35%, M1군은 16%로 M0군의 생존율은 M1군에 비해 의미 있게 높았으며(P=0.0000), M0군 중 T1-3N3M0군과 T4N1-2M0군간의 생존율은 통계학적으로 유의한 차이를 보이지 않았다. 결론: 현재의 TNM 분류법상 4기로 구분되는 예들을 비교 분석한 결과 M0군은 M1군에 비해서 통계적으로 유의하게 예후가 좋으므로 M0군은 stage IVa로, M1군은 stage IVb로 세분류하는 것이 타당하겠다.

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OTPF와 국제 기능·장애·건강 분류간의 연관성 : 라이프케어 중심의 활동과 참여 관점으로 (Associativity Among OTPF and the International Classification of Function, Disorder and Health : Focusing on the Activity and Participation Centered on Life Care)

  • 배성환;장연식;김희동;백지영
    • 한국엔터테인먼트산업학회논문지
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    • 제14권7호
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    • pp.623-632
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    • 2020
  • 본 연구의 목적은 OTPF와 ICF의 연관성을 알아보는 것을 통하여 참여에 대한 OTPF-3와 ICF의 이론적 개념의 관련성과 차이를 명백히 제시하고, ICF가 작업치료 전문영역을 충분히 설명할 수 있는지 알아보고자 하였다. 이를 위해 OTPF-3의 작업 영역 하위항목과 ICF의 활동과 참여 세부분류 코드를 4명의 작업치료 전문가들이 비교분석 하였다. 그 결과, OTPF-3의 작업 영역 하위항목과 ICF의 활동과 참여 세부분류 코드 대부분을 연결하여 개념적 유사성과 차이점을 입증하였다. 이를 통하여 비전문가 및 타분야 전문가들에게 ICF를 활용하여 작업치료의 영역을 설명할 수 있을 것으로 판단되지만, 작업치료 전문가 간 의사소통에는 제한이 있을 것으로 사료된다. OTPF와 ICF의 차이점을 극복하기 위해서는 작업치료 관점에서 OTPF와 ICF를 더 넓고 깊게 비교하는 연구들이 더 많이 진행되어야 할 것이다.

Analysis of forest types and stand structures over Korean peninsula Using NOAA/AVHRR data

  • Lee, Seung-Ho;Kim, Cheol-Min;Oh, Dong-Ha
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 1999년도 Proceedings of International Symposium on Remote Sensing
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    • pp.386-389
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    • 1999
  • In this study, visible and near infrared channels of NOAA/AVHRR data were used to classify land use and vegetation types over Korean peninsula. Analyzing forest stand structures and prediction of forest productivity using satellite data were also reviewed. Land use and land cover classification was made by unsupervised clustering methods. After monthly Normalized Difference Vegetation Index (NDVI) composite images were derived from April to November 1998, the derived composite images were used as temporal feature vector's in this clustering analysis. Visually interpreted, the classification result was satisfactory in overall for it matched well with the general land cover patterns. But subclassification of forests into coniferous, deciduous, and mixed forests were much confused due to the effects of low ground resolution of AVHRR data and without defined classification scheme. To investigate into the forest stand structures, digital forest type maps were used as an ancillary data. Forest type maps, which were compiled and digitalized by Forestry Research Institute, were registered to AVHRR image coordinates. Two data sets were compared and percent forest cover over whole region was estimated by multiple regression analysis. Using this method, other forest stand structure characteristics within the primary data pixels are expected to be extracted and estimated.

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Disseminated Peritoneal Leiomyomatosis with Atypical Features and Comorbid Uterine STUMP: a Case Report and Review of the Literature

  • Ryu, Kyunghwa;Lee, Eun Ji;Chang, Yun-Woo;Hong, Seong Sook;Hwang, Jiyoung;Oh, Eunsun;Nam, Bo Da;Choi, Inho;Lee, Hyo-Pyo
    • Investigative Magnetic Resonance Imaging
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    • 제24권3호
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    • pp.162-167
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    • 2020
  • Disseminated peritoneal leiomyomatosis (DPL) is a very rare benign disease, characterized by multiple solid subperitoneal or peritoneal smooth muscle nodules in abdominopelvic cavity and malignant transformation is extremely rare. Also, uterine smooth muscle tumors of unknown malignant potential (STUMP) is a rare tumor, which is regarded as subclassification in uterine smooth muscle tumors between benign and malignant criteria. Pathogenesis of DPL is uncertain, but increasing evidence of iatrogenic cause including laparoscopic myomectomy has been reported. We report a case of a 28-year-old female with previous history of laparoscopic myomectomy diagnosed with DPL with atypical feature and concurrent uterine STUMP using computed tomography (CT) and magnetic resonance imaging (MRI), as well as present a review of the literature.

Adenosine 유사체의 신장효과에 미치는 Adenosine 차단제의 영향 (Receptor Specificity of Adenosine Analogs in Terms of Renal Function and Renin Release)

  • 윤영의;고규영;김선희;조경우
    • The Korean Journal of Physiology
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    • 제24권2호
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    • pp.269-280
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    • 1990
  • The purpose of the present experiment was to determine the functional subclassification of renal adenosine receptor fer the hemdynamic, excretory and secretory functions in unanesthetized rabbits. Adenosine antagonist, 8-phenyltheophylline (8-PT) or theophylline, was infused into the left renal artery followed by an infusion of adenosine agonist, cyclohexyladenosine (CHA) or 5'-N-ethylcarboxamidoadenosine (NECA). Intrarenal arterial infusion of CHA or NECA caused decreases in urine volume, glomerular filtration rate, renal plasma flow and excreted amount of electrolytes and renin release in a dose-dependent manner. Dose-response curves in renal function by CHA or NECA was similar and shifted to the right with pretreatment of 8-PT or theophylline. No significant differences in renal response to CHA and NECA in antagonist-treated rabbits were observed. However, the decrease in renin secretion rate was not affected by the adminstration of adenosine antagonists. These results suggest that the renal effect of adenosine receptor agonists appears by way of specific adenosine receptor, but which is not functionally subclassified in the rabbit.

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가토의 신장기능과 Renin 분비에 미치는 Adenosine수용체 차단제의 영향 (Effect of Adenosine Receptor Antagonists on the Renal Function and Renin Release in Rabbits)

  • 이건수;김영진;김선희;조경우
    • The Korean Journal of Physiology
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    • 제23권2호
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    • pp.377-391
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    • 1989
  • Recently it was suggested that the endogenous adenosine might be the mediator for the intercellular communication in the regulation of tubuloglomerular feedback control and renin release. Even though the previous data showed more important regulatory roles in the renal hemodynamics and renin release for the A1 adenosine receptor, it has not yet been settled down about the functional subclassification of renal adenosine receptors. The purpose of the present experiment was to clarify the importance of the renal adenosine receptors for the regulations of the hemodynamic, excretory and secretory functions. Experiments have been done in unanesthetized rabbits. Intrarenal arterial infusion of A1 adenosine antagonist, 8-phenyltheophylline, $3{\sim}30\;nmole/min$, increased urine flow, renal hemodynamics and urinary excretion of sodium. Intrarenal arterial infusion of Al antagonist, 1-3-diethyl-8-phenylxanthine (DPX), $10{\sim}100\;nmole/min$, increased renal hemodynamics and excretory functions. Non-specific adenosine antagonist, theophylline, $30{\sim}300\;nmole/min$, resulted in dose dependent increases in renal hemodynamics and excretory function. All of the three adenosine antagonists for the increases in renal hemodynamics, excretory and secretory functions was 8-phenyltheophylline > DPX > theophylline. These results suggest that the endogenous adenosine is important for the intrinsic regulatory roles for the renal functions through the adenosine receptors, and that the A1 adenosine receptor is more important than the A2 receptor in the regulation of renal hemodynamics, excretory and renin secretory functions.

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유방 종괴의 세침흡인 세포학적 소견 - Masood 등급에 따른 분류 - (Fine Needle Aspiration Cytology of the Breast Lesions - Application of the Masood's Scoring System -)

  • 김애리;김혜선;김한겸;원남희;박미자;구범환
    • 대한세포병리학회지
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    • 제9권1호
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    • pp.45-54
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    • 1998
  • Fine needle aspiration cytology is considered as a useful diagnostic procedure in management of patients with breast lesions. This study was undertaken to evaluate the scoring system of Masood in the interpretation of breast aspirates, to establish the most useful cytologic criteria for the diagnosis of breast lesions, and to subclassify the benign breast diseases. To assess the feasibility of a cytologic grading system, 57 cases of benign breast disease, 61 cases of malignant breast disease were studied, respectively. The aspirates were evaluated for the cellular arrangement, the degree of cellular pleomorphism and anisonucleosis, and the presence of myoepithelial cells and nuceoli. Values ranging from 1 to 4 were assigned to each criterion and the sum of the individual values was made for each case. The presence of stroma, apocrine metaplasia, foamy histiocytes and inflammatory cells, background of the smear, and cellularity were also evaluated. Cut-off value of the scoring system of Masood between benign and malignant lesion was 15. Among the cytologic criteria, cellular arrangement, presence of myoepithelial cells, nucleoli, and stroma, status of chromatin pattern, and background of smear were useful criteria in the differentiation between benign and malignant lesions. Application of the scoring system of Masood does not always make the accurate diagnosis and the subclassification of benign breast disease.

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소아(小兒) 복통(腹痛)에 관한 임상적(臨床的) 고찰(考察) (An Study on Abdominal Pain in Childhood according to Its Symptoms)

  • 김성희;이승연
    • 대한한방소아과학회지
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    • 제15권2호
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    • pp.53-68
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    • 2001
  • Purpose : This Study was conducted to evaluate clinical manifestations of abdominal pain(AP) in childhood according to its symptoms and to find out characteristic of children with abdominal pain. Methods : Pacients who visited Dong-Eui Oriental Medical hospital from August to November 2001 due to abdominal pain were included. According to questionaire and history taking abdominal pain was classified by its six subtype in the Oriental Pediatic Text Book and Dong Eui Bo Gam(東醫寶鑑). Result : According to the Oriental Pediatic Text Book, among 41 children, 31.7% had symptoms of AP caused by cold in internal organs of deficiency(臟腑虛冷腹痛), 29.3% had symptoms of AP caused by diet(食積腹痛), 19.5% had symptoms of AP caused by cold(寒腹痛), 9.8% had symptoms of AP caused by both cold and diet, 7.3% had symptoms of AP caused by internal diet and external cold(內食外寒腹痛), 2.4% had symptoms of AP caused by stagnation of Ki and stasis of blood(氣滯血瘀腹痛). There is no AP caused by parasites(蟲腹痛). Otherwise, according to Dong Eui Bo Gam, 43.9% had symptoms of AP caused by cold, 26.8% had symptoms of AP caused by diet, 9.8% had symptoms of AP caused by both cold and diet, 7.3% had symptoms of AP caused by fire(熱腹痛), 7.3% had symptoms of AP caused by phlegm(痰飮腹痛), 4.9% had symptoms of AP caused by stagnated blood(瘀血腹痛). Also There is no AP caused by parasites. Conclusion : 1. The type of AP in Childhood is different from AP in adults. AP in Childhood is most occured by cold of deficiency and food, and there is few AP caused by fire. Six subtype in Dong Eui Bo Gam prefer adults to children and It is more studied that what kind of subtype is proper for AP caused by stress or drugs. So the study on subclassification and clinical Manifestations of AP in Childhood is more performed.

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