• 제목/요약/키워드: criteria group

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전력케이블 열화진단을 위한 극저주파 탄델타 판정기준의 통계적 해석 (A Statistical Analysis to the VLF Tanδ Criteria for Aging Diagnosis in Power Cables)

  • 정우성;김성민;임장섭;이진
    • 한국전기전자재료학회논문지
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    • 제33권1호
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    • pp.1-5
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    • 2020
  • In this study, the objective is to improve the criteria used for statistical comparison of the VLF tanδ (TD) database and failure rate according to water-tree degradation in underground distribution power cables. The aging condition of the KEPCO criteria is divided into 6 levels using the Weibull distribution, and the "failure imminent" condition is quantified by using the statistical end-point of the lifetime parameter of the VLF big-data group obtained from KEPCO. Moreover, new criteria with a 2-dimensional combination of TD, DTD, and a statistical normalized factor are suggested. These criteria exhibit high reproducibility for the detection of cables in an imminent failure state. Consequently, it is expected that the adoption of the extended VLF-2019 criteria will reduce the asset management cost of cable replacement compared to the VLF-2012 criteria of KEPCO.

호흡기계 작용 약물의 치료군 중복처방 평가기준 개발 (Therapeutic Duplication Criteria Development of Respiratory System Drugs)

  • 최경업;손현순;김남효;신현택;이영숙
    • 약학회지
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    • 제56권2호
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    • pp.126-135
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    • 2012
  • Purpose: To develop therapeutic duplication criteria for the drugs used for respiratory diseases. Method: Therapeutic duplication was defined as "more than 2 drug ingredient-usage in which each has the same therapeutic effect and combination therapy does not confer additional therapeutic benefit". Respiratory system drugs approved in Korea were examined for the study. The WHO's Anatomical Therapeutic Chemical Classification System was used for grouping of the corresponding drug ingredients. The principles and recommendations on combination usage or multiple drug regimens were reviewed by using the clinical practice guidelines, textbooks, product labelings, and clinical articles. Clinical expert group consultation was performed and expert opinions were incorporated into the final criteria. Results: Nine hundred sixty two drug products with Korean Food and Drug Administration classification codes of 141, 149, 222, and 229 were evaluated, of which 87 active ingredients were composed. The drug ingredients were classified into 12 groups (antihistamines, oral nasal decongestants, leukotriene receptor antagonists, inhaled anticholinergics, inhaled corticosteroids, oral ${\beta}2$-agonists, long-acting ${\beta}2$-agonists, short-acting ${\beta}2$-agonists, xanthines, antiallergics, mucolytics and cough suppressants). The use of more than 2 drug ingredients including the same group was therapeutic duplication, and thus combination should be recommended not to be used. Conclusion: Twelve drug groups were identified as therapeutic duplication criteria. Combination therapy within each group should not be used otherwise therapeutic benefits outweigh potential risks.

Screening Sarcopenia in Rural Community-Dwelling Older Adults in Korea

  • KIM, Mi-Kyoung;LEE, Ji-Yeon;GIL, Cho-Rong;KIM, Bo-Ram;CHANG, Hee-Kyung
    • International Journal of Advanced Culture Technology
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    • 제8권4호
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    • pp.64-76
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    • 2020
  • Purpose: Several screening tools have been developed to identify sarcopenia in rural community-dwelling older adults. We aimed to compare the diagnostic accuracy of two such tools, namely the SARC-F and SARC-CalF assessments. Methods: This cross-sectional study on 388 community-dwelling older adults comprised 254 women and 134 men with a mean age of 77.8 ± 6.26 year in Korea. We assessed muscle mass, muscle strength, and physical performance using a bioimpedance analysis device, hydraulic hand dynamometer, and 4 m gait speed test, respectively. Three widely-used diagnostic criteria [the Asian Working Group for Sarcopenia (AWGS), European Working Group on Sarcopenia in Older People, and the International Working Group on Sarcopenia] were applied. Sensitivity and specificity analyses were performed on the SARC-CalF and SARC-F tests. We used receiver-operating characteristic curves and the area under the curves (AUCs) to compare the diagnostic accuracy of the assessments with regard to sarcopenia. Results: An analysis using four sets of diagnostic criteria showed that the prevalence of sarcopenia was 27.6% to 41.0%. Using the AWGS 2019 criteria as a reference standard, the SARC-CalF had a sensitivity of 83.02% and a specificity of 53.71% in the entire study population, whereas the SARC-F had a sensitivity of 79.87% and a specificity of 41.92%. The AUCs for the SARC-CalF and SARC-F tests were 0.725 (95% confidence interval 0.678-0.769) and 0.645 (95% confidence interval 0.595-0.693), respectively (p<001). In the analyses using the other three diagnostic criteria, similarity was also confirmed. Conclusion: SARC-CalF showed better sensitivity than did SARC-F when diagnosing sarcopenia in rural community-dwelling older adults. Further studies are needed to verify this finding in different populations.

20-30대 여성 소비자들의 소비가치 유형에 따른 해외 패션명품 브랜드 가방 구매행동 (Purchase Behaviors on Imported Fashion Luxury Brand's Bag according to the Types of Consumption Values of Female Consumers in 20's and 30's)

  • 이가나;신수연
    • 한국의류산업학회지
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    • 제14권4호
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    • pp.554-566
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    • 2012
  • The purpose of this study was to classify the consumption values of 20's and 30's female consumers, identify the differences among the consumption value groups, and analyze purchase behaviors of imported fashion luxury brands according to the consumption value types. The subjects were 518 women who purchased luxury bags. The results of the study were as follows. First, as a result of cluster analysis to classify the consumption values of 20's and 30's female consumers, 4 groups were identified as "rare and emotional pursuit group", "functional pursuit group", "fashion pursuit group", and "social and conspicuous pursuit group". Second, 4 groups showed different luxury bag purchase behaviors, such as purchase motivation, purchase selection criteria, information source, purchase frequency, purchase cost of one time, purchase cost of year, the number of possession, purchase place, and store selection criteria. Third, rare and emotional pursuit group ranked the first in terms of product, price, and store satisfaction. Therefore, consumption values were identified as the important factor suggesting purchase behaviors of female consumers in 20's and 30's.

미국 여대생의 쇼핑 성향과 니트웨어 구매행동에 관한 연구 (Shopping Orientation and Knitwear Purchasing Behavior of Female College Students in the U.S.)

  • 이옥희
    • 복식문화연구
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    • 제13권1호
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    • pp.161-173
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    • 2005
  • The Main objective of this study was to investigate the relationship between shopping orientations and Knit wear Buying Behavior of female college students in the U.S. age 18 to 33. The questionnaires for this survey were developed to measure knitwear purchasing behavior, including sources of information about knitwear, evaluative criteria of knit wear product, attributes f store preference for knitwear, and shopping orientation. The questionnaire was administered to 119 female college students in the University of California. The data was analyzed by percentage, frequency, mean, factor analysis, Cluster Analysis and ANOVA, Duncan Multiple Range test. The female college students were classified into five subdivisions by cluster analysis; cautious shopping group, recreational shopping group, self-confident shopping group, shopping indifferent group, price conscious shopping group. In the case of fashion information sources of knit wear, significant differences were found according to shopping orientation subdivision in observation of others' and famous people's clothing, fashion shows, fashion articles in magazines, newspapers, and on the Internet, and shop displays. The evaluation criteria of knit wear product were significantly different depending on shopping orientation subdivision in fashionable, brand and store name, appropriate for different occasion, prestige. The store attributes of knitwear were significantly different depending on shopping orientation subdivision in product knowledge of sales personnel, store atmosphere, display of merchandise, layaway payment plan, price level, ease of parking and access, and new fashion.

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쇼핑성향에 따른 니트웨어 구매행동에 관한 연구 (A Study on Knit Wear Buying Behavior according to Shopping Orientations)

  • 이옥희;김경희;최미현
    • 복식문화연구
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    • 제10권4호
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    • pp.364-376
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    • 2002
  • The Main objective of this study was to investigate the relationship between shopping orientations and Knit wear Buying Behavior of college female students. A questionnaire was developed to measure knit wear purchasing motives, fashion information sources of knit wear, evaluation criteria of knit wear product, and general clothing buying behavior. The questionnaire was administered to 505 college female students in Chonbuk and Chonnam. The data was analyzed using percentage, frequency, mean, factor analysis, Cluster Analysis and ANOVA, Duncan Multiple Range test. The results of the study were as follows: 1. The college female students were classified into fifth subdivisions by the cluster analysis; convenient shopping group, recreational shopping group, self-confident shopping group, those of Fashion-pursuit group, economic shopping group. 2. The knit wear purchasing motives of consumers were significantly different according to shopping orientation subdivision in social, personal, rational. 3. In the case of fashion information sources of knit wear, significant differences were found according to shopping orientation subdivision in mass media information, information by marketer, mail order advertisements, information by consumer. 4. The evaluation criteria of knit wear product of consumers were significantly different depending on shopping orientation subdivision in esthetic, practicality, individual expression, external criterion. 5. In the case of dissatisfactory factors for wearing knit wear product, significant differences were found according to shopping orientation subdivision. 6. In the case of asking factors to the manufactures of knit wear product, significant differences were found according to shopping orientation subdivision.

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화피추출물 복합제 화장품의 여드름에 대한 임상적 연구 (A Clinical Study for Effect of Herbal Cosmetics Containing Cortex Betulae Platyphyllae Extract Complex on Acne)

  • 박수연;나창수;정원철;이종철
    • 한방안이비인후피부과학회지
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    • 제26권3호
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    • pp.1-19
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    • 2013
  • Objective : The primary purpose of present study is to evaluate the effect of herbal cosmetics containing Cortex Betulae Platyphyllae extract complex on acne. The second is to comparatively evaluate safety of this cosmetics. Methods : We opened collecting of applicant that men and women(the 18~35-year-old) with acne on face. We selected subjects who came up to entire inclusion criteria and were not included in the exclusion criteria. We checked changes of Acne Global score, skin sebum, moisture, pores counts, Skindex-29 for 8 weeks. Results : 1. Comparison of changes in Global score, it declined in both experimental group and control group. But Experimental group showed a statistically significant decline than control group. 2. Comparison of changes in sebum and moisture, it declined in both experimental group and control group. But there was no statistically significant difference between those two groups. 3. Comparison of changes in erythema normal area, it declined in both experimental group and control group. But there was no statistically significant difference between those two groups. 4. Comparison of changes in pore counts, it increased statistically significantly in both experimental group and control group. 5. Comparison of changes in Skindex-29, it declined in both experimental group and control group. But there was no statistically significant difference between those two groups. Conclusion : Considering the above experiments, it is suggested that herbal cosmetics containing Cortex Betulae Platyphyllae extract complex have a positive effect on acne.

주부의 의생활양식에 따른 유아복 점포행동 (Babies' Wear Shopping Behavior of Housewives by Their Fashion Lifestyle)

  • 황춘섭
    • 복식
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    • 제48권
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    • pp.183-196
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    • 1999
  • The purpose of the Present research is to investigate the effect of fashion lifestyle on babies' clothing shopping attitude of housewives. In this study shopping attitude includes criteria for shop selection prefered types of shop and prefered shop atmosphere. Subjects are 447 housewives residing in Seoul Bundang Illsan and Pungchon and having child under 4 years old Data was analyzed by factor analysis cluster analysis analysis of variance and chi-square. The results of the study are as follows: 1. Housewives can be classified into four groups according to their fashion lifestyle the group of planned buying conservative/practical group the group of self-actualization/individuality and the high involved and care for shopping group. 2. Fashion lifestyle is different according to their age. The high involved and care for shopping group have the lager proportion in twenties than thirties. The conservative/practical group have a larger proportion in thirties. 3. The factors of shop selection which serve as criteria for shop the quality of service encironment anround shop quality of goods convenience to care about babies fashionable goods location of the shop and price of goods. The group of self actualization/personality prefers shops carrying fashionable and unique style of babies clothing and showing prestige. The conservative/practical group prefers shops carrying good quality clothing and having variety in size and design. The high involved and careful shopping group prefers shops having wide space as well as carrying fashionable goods. 4. Among the types of babies clothing shops. department stroe is the most preferred Low-price brand shop is followed by traditional open market. The conservative/practical group and the group of planned shopping use department strores national bran shops street shops and import shops more often than other groups. 5. The result of the study indicates there are considerable differences in housewives attitudes of babies clothing shopping acording to their own fashion lifestyle. Therefore the retailer of babies clothing should decide their marketing policy on the basis of the understanding and analysis of costomer's fashion lifestyle. And they have to reflect their costomer's shopping attitudes on their marketing policy to improve the satisfaction of both consumer and retailer as well.

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Kidney transplantation using expanded criteria deceased donors with terminal acute kidney injury: a single center experience in Korea

  • Ko, Kyung Jai;Kim, Young Hwa;Kim, Mi Hyeong;Jun, Kang Woong;Kwon, Kyung Hye;Kim, Hyung Sook;Kim, Sang Dong;Park, Sun Cheol;Kim, Ji Il;Yun, Sang Seob;Moon, In Sung;Hwang, Jeong Kye
    • Annals of Surgical Treatment and Research
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    • 제95권5호
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    • pp.278-285
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    • 2018
  • Purpose: We investigated the clinical outcomes of deceased donor kidney transplantation (KT) using kidneys with terminal acute kidney injury (AKI). Methods: Between February 2000 and December 2013, we performed 202 deceased donor renal transplants from 159 brain dead donors. According to the expanded criteria donor (ECD) and AKI network criteria, we divided 202 recipients into 4 groups: Group I: Non-AKI & standard criteria donor (SCD) (n = 97); group II: Non-AKI & ECD (n = 15); group III: AKI & SCD (n = 52); and group IV: AKI & ECD (n = 38). Results: The incidence of delayed graft function (DFG) was significantly higher in patients with AKI than it was in the non-AKI group (P = 0.008). There were no significant differences among the 4 groups in graft survival (P = 0.074) or patient survival (P = 0.090). However, the long-term allograft survival rate was significantly lower in group IV than it was in other groups (P = 0.024). Conclusion: Allografts from deceased donors with terminal AKI had a higher incidence of DGF than did those from donors without AKI. However, there is no significant difference in graft and patient survival rates among the groups. So, the utilization of renal grafts from ECDs with terminal AKI is a feasible approach to address the critical organ shortage.

어머니의 체형과 체형인식에 따른 아동복 구매 시 의복평가기준의 비교 연구 (Comparative Analysis of Children's Clothing Evaluative Criteria According to Groups Divided by Mother's Somatotype & Somatotype Cognition)

  • 전대근;박선미
    • 대한가정학회지
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    • 제47권9호
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    • pp.91-99
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    • 2009
  • Mothers are a powerful consumer force in the children clothing market, and somatotype plays an crucial role on their evaluation of clothing and decision to purchase. It is therefore essential to identify the roles of mother's somatotype & somatotype cognition in relation to purchasing of children clothing. This study aimed to investigate the effects of mother’s actual somatotype & somatotype cognition on their children’s clothing evaluative criteria. In order to compare the clothing evaluative criteria of the groups and among the groups by mother’s somatotypes at the point of children’s clothing purchases, mother’s actual somatotype & somatotype cognition of their self and their children were adopted as variables. Total usable questionnaires were obtained from 147 middle-aged mothers of students aged between 10 & 13. Results indicated that practical, commodity & symbolic dimensions of children’s clothing evaluative criteria were used differently by each group to decide on purchase of clothing for thin, moderate & heavy children. This study provides important commercial information about mother’s actual somatotype & somatotype cognition related to their children’s clothing evaluative criteria, and as such can be used strategically to the effective communication with consumers.