The purpose of this research was to evaluate the clinical and the instrument of convergence utility of transient elastography (FibroScan(R):electromagnetic wave) in diagnosing and treating liver ailments through a comparison and an analysis between liver function blood test and transient elastography (FibroScan(R)) in patients with chronic hepatitis B virus infection. Of all the patients with chronic hepatitis B virus infection who visited clinic B in Daejeon City between July 1, 2015, and February 28, 2016, 75 who underwent a FibroScan(R) test were selected for this study. Their laboratory and liver function test results were compared for a correlation analysis before constructing an ROC (Receiver Operation Characteristic) curve. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels were 0.572 and 0.502, respectively, and showed highest correlation with fibrosis score, with statistical significance (p<0.000). Gamma glutamyltranspeptidase, total bilirubin, and alkaline phosphatase levels also showed relatively significant correlations in this order of sequence, while -fetoprotein and total protein levels did not show any statistically significant values. Albumin (-0.449) and platelet levels (-0.373) showed negative correlations with each other and no correlation with fibrosis score (p < 0.000). As liver fibrosis worsened, the accuracy of the ROC curve increased. At the F4 stage, which is the cirrhotic stage, the largest area under the curve was observed. FibroScan(R) showed significant correlation with the ALT (serum glutamic pyruvic transaminase) and AST (serum glutamic oxaloacetic transaminase) levels in the liver function test, which is a routine test for patients with chronic liver ailments. This implies that fibrosis correlates with liver inflammation severity.
This study tried to know the effect of selection attributes for chicken specialty stores on customer satisfaction and loyalty. IPA analysis on relation between the attributes and the satisfaction showed that most quality-related product attributes such as 'the taste and quality of chicken', 'proper portion', and 'fresh ingredients' had high levels of perceived importance and satisfaction. It indicates that the stores need to keep the current good quality. On the other hand, customers showed lower levels of satisfaction in 'reasonable prices', 'quick delivery'(certainty factors), and 'kindness of employees', so that those attributes need improving. The hypothesis testing showed that supplementary product factors such as 'side dishes offered with chicken', 'use of neat and convenient wrapping package', and 'coupon offers' among the customer selection attributes had a significant impact on customer satisfaction and loyalty. Therefore, the owners of chicken specialty stores need to choose a reasonable price to make customers satisfied and shorten delivery time directly related to quality. Also, they need to differentiate their services by continuous employee training and education and provide additional services in order to enhance customer satisfaction for their repurchase.
This study was executed to find out the intensity of turnover intention and its associated factors of radiologic technologists who worked for private clinic and university hospitals in Daejoen. Such variables as social and demographic characteristics, job-related features, job stress, job satisfaction, job performance, organizational commitment and turnover intention were investigated based on the survey of randomly sampled 400 radiologic technologists. The results are summarized as follows. 1. College graduates of private clinic workers were significantly higher than junior college graduates of them in the mean score for turnover intention. And low age groups, unmarried group, no religion group, low job career groups and low income groups of university hospital workers were significantly higher than high age groups, married group, religion group, high job career groups and high income groups of them respectively in the mean score for turnover intention. 2. Private clinic and university hospital workers' low and high groups in the variables of job demand, job control, supervisor support, job satisfaction, organizational commitment showed significant difference in the mean score for turnover intention. specially private clinic workers' low and high groups in the variables of coworker support, job performance showed significant difference in the mean score for turnover intention. 3. A hierarchial multiple regression analysis was conducted to catch the influence of related variables on turnover intention according to private clinic workers and university hospital workers. As a result of the analysis, the higher the degrees of education and job demand were and the lower the degree of job satisfaction was for private clinic workers, the higher the degree of turnover intention was. And the lower the degrees of age, job career, job satisfaction and organizational commitment were for university hospital workers, the higher the degree of turnover intention was. In conclusion, it was found that job demand and job satisfaction for private clinic workers and job satisfaction and organizational commitment for university hospital workers influenced on turnover intention.
This study examined the influence of ego-resilience and psychological well-being on job stress in childcare teachers. The participants were 192 childcare teachers in Seoul and Daejeon Metropolitan City. The research instruments were Ego-Resilience by Park(1996), Psychological well-being by Kim(2008), and Job Stress by Hong(2009). Collected data were analysed by descriptive statistics(frequency analysis, mean, & standard deviation) and multiple regression, and Cronbach's ${\alpha}$ for reliability by SPSS PC program. The results were as follows: First, Childcare teachers' perceived ego-resilience was higher than average. Childcare teachers' perceived psychological well-being was higher than average. Childcare teachers' perceived job stress was lower than average. Second, Childcare teachers' perceived ego-resilience and psychological well-being was having significant influences on childcare teachers' perceived job stress. Optimistic thinking and anger control among sub-factors of childcare teachers' perceived ego-resilience and environmental mastery among sub-factors of childcare teachers' perceived psychological well-being explained 46% of variance in childcare teachers' perceived job stress. These results provide informations for reducing job stress in childcare teacher and suggest the basis of an education program for childcare teacher.
The purpose of this study was to development of the green information technology practical method and verify the impact of classes which applied green information technology practical method on the students' practice on green information technology to enhance the study related to green growth education for Technology Home Economics Education. In order to achieve the purpose, first, the green information technology practical method and measurement instrument were developed. Second, green information technology practical method applied in class. Third, D middle school students(male 62, female 59) in Daejeon city were tested by green information technology practical method measurement instrument and the comparison between pretest and posttest results were made. There were three results conduced from this study. First, green information technology practical method had positive impact on the students' green information technology practice on the items which they directly face in their daily lives, such as computers, monitors, and data. Through this point, when green growth curriculum developed in Technology Home Economics, we must consider the more closely related in lives contents. Second, green information technology practical method not impact on the practice on the items such as printers, peripherals, and other items. But in the future we expect more students hold printers and peripherals so the study for these items needed the more. Third, there were no gender differences in green information technology practice. Through this point, when green growth curriculum organized, there was no needed to separete students' gender.
Objective : Infectious spinal disease is regarded as an infection by a specific organism that affects the vertebral body, intervertebral disc and adjacent perivertebral soft tissue. Its incidence seems to be increasing as a result of larger proportion of the older patients with chronic debilitating disease, the rise of intravenous drug abuser, and the increase in spinal procedure and surgery. In Korea, studies assessing infectious spinal disease are rare and have not been addressed in recent times. The objectives of this study are to describe the epidemiology of all kind of spinal infectious disease and their clinical and microbiological characteristics as well as to assess the diagnostic methodology and the parameters related to the outcomes. Methods : A retrospective study was performed in all infectious spinal disease cases presenting from January 2005 to April 2010 to three tertiary teaching hospitals within a city of 1.5 million in Korea. Patient demographics, risk factors, clinical features, and outcomes were assessed. Risk factors entailed the presence of diabetes, chronic renal failure, liver cirrhosis, immunosuppressants, remote infection, underlying malignancy and previous spinal surgery or procedure. We comparatively analyzed the results between the groups of pyogenic and tuberculous spinal infection. SPSS version 14 statistical software was used to perform the analyses of the data. The threshold for statistical significance was established at p<0.05. Results : Ninety-two cases fulfilled the inclusion criteria and were reviewed. Overall, patients of tuberculous spinal infection (TSI) and pyogenic spinal infection (PSI) entailed 20 (21.7%) and 72 (78.3%) cases, respectively. A previous spinal surgery or procedure was the most commonly noted risk factor (39.1%), followed by diabetes (15.2%). The occurrence of both pyogenic and tuberculous spondylitis was predominant in the lumbar spine. Discs are more easily invaded in PSI. At initial presentation, white cell blood count and C-reactive protein levels were higher in PSI compared to TSI (p<0.05). Etiological agents were identified in 53.3%, and the most effective method for identification of etiological agents was tissue culture (50.0%). Staphyococcus aureus was the most commonly isolated infective agent associated with pyogenic spondylitis, followed by E. coli. Surgical treatment was performed in 31.5% of pyogenic spondylitis and in 35.0% of tuberculous spondylitis cases. Conclusion : Many previous studies in Korea usually reported that tuberculous spondylitis is the predominant infection. However, in our study, the number of pyogenic infection was 3 times greater than that of tuberculous spinal disease. Etiological agents were identified in a half of all infectious spinal disease. For better outcomes, we should try to identify the causative microorganism before antibiotic therapy and make every effort to improve the result of culture and biopsy.
Transactions of the Korean Society of Mechanical Engineers B
/
v.36
no.8
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pp.803-809
/
2012
It is necessary to predict the heating load in order to determine the optimal scheduling control of district heating systems. Heating loads are affected by many complex parameters, and therefore, it is necessary to develop an efficient, flexible, and easy to use prediction method for the heating load. In this study, simple specifications included in a building design document and the estimated temperature and humidity are used to predict the heating load on the next day. To validate the performance of the proposed method, heating load data measured from a benchmark district heating system are compared with the predicted results. The predicted outdoor temperature and humidity show a variation trend that agrees with the measured data. The predicted heating loads show good agreement with the measured hourly, daily, and monthly loads. During the heating period, the monthly load error was estimated to be 4.68%.
KAERI Underground Research Tunnel (KURT) was recently constructed through the site investigation from the yea. of 2003 at KAERI site, Dukjin-dong, Yuseong-gu, Daejeon city. The geo-logic setting of the site has been slightly metamorphosed. There are small fractures developed in the rock and several kinds of secondary filling minerals exist in the fractures. We examined mineralogical characteristics of fracture-filling calcite, which is not only largely distributed, but also can significantly affect the radionuclides migration. The calcite is found along fractures like other secondary minerals, forming thick veins in part. Most calcite-filled fractures contain quartz, iron oxides, and dolomite as minor minerals. The calcite crystals show an characteristic appearance with an uniformly oriented growth, coated with goethite on the edge and the etch-pit sites of their surface. Some calcite crystals have been newly formed by the precipitation of elements dissolved from the tunnel shotcrete wall, and their morphology changed according to the chemistry and flow of groundwater. The calcite can modify the groundwater chemistry and significantly affect the sorption behavior of radionuclides. The characteristic crystal structure and surface morphology of the calcite examined in the KURT site will be used as important basic data for the radionuclide migration experiment in the future.
Journal of the Korea Academia-Industrial cooperation Society
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v.17
no.8
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pp.569-581
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2016
The purpose of this study was to define the quality of nursing services in relation to a nurse's psychosocial factors (type A behavior pattern, self-esteem, locus of control, and anxiety), job stress, and fatigue. This study targeted 503 nurses currently working at one of six general hospitals in Daejeon city, the data were collected by a self-administered questionnaire, which was surveyed from April 1 to June 30, 2014. According to multivariate logistic regression analysis, the high self-esteem, locus of control, and strong support by supervisor and co-workers decrease the risk of a low career quality. In contrast, high situational fatigue and overall fatigue increase the risk of a low career quality. According to the results of hierarchical multiple regression analysis, the quality of nursing services increased with age, the subjective health condition was satisfying, aptitude corresponded to the jobs, self-esteem was high, anxiety was low, support by co-workers was strong, and the overall fatigue was low. Above results suggest that the quality of nursing services of nurses who work at a general hospital has a strong correlation with the psychosocial factors, job stress, and fatigue.
Journal of the Korea Academia-Industrial cooperation Society
/
v.11
no.1
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pp.341-351
/
2010
The administrative employees of government were analyzed on their levels of psychosocial stress and job satisfaction to reveal the various factors related to them. The self-administered questionnaires were performed, during the period between May 25th, 2007 and June 5th, to 550 individuals in the service of general administration located in Daejeon City. The Survey items included subjects' socio-denographic and job-related characteristics, health-related behavior pattern, locus of control, sense of self-esteem, psychosocial stresses and degree of job satisfaction. The study results indicate that the level of stress or job satisfaction is so complicatedly influenced by variable factors such as socio-demographic characteristics, job-related characteristics, health-related behaviors, or social psycologic factors like type A behavior pattern, internal locus of control, self-esteem or stress coping. Thus, the effective strategy for stress reduction and increase of job satisfaction among governmental employees requires additional programs.
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