This study was conducted to evaluate characteristic of water duality in coastal sea of Incheon using a multivariate analysis. The analysis data in coastal sea of Incheon was aquired by the NFRDI data which was surveyed from March 1997 to November 2003. Eleven water quality parameters were determined on each survey The results were summarized as follow : Water quality in Incheon coastal sea could be explained up to 64.62% by three factors which were included in loading of fresh water and nutrients by the land(36.98%), seasonal variation(16.19%), and internal metabolism (11.24%). The results of time series analysis by factor score, in case of factor 1, station 1 influenced by Han river was shown to high factor score and station 3 located by outer sea was shown to low factor score. In case of factor 2, station 1 was appeared to high variation and station 3 was appeared to low variation. The result of cluster analysis by station was classified into three group that has different water quality characteristics. Especially, station 1 which affected by Han river and station 4 which affected by sewage treatment plant was appeared to considerable water quality characteristics against other station. In yearly cluster analysis, three group was classified and water quality in 2003 years due to high precipitation was different to another year. It could be suggested from these results that it is important to control discharge of fresh water by Han rivet and sewage treatment plant for water quality management of coastal sea of Incheon.
Purpose: Chest injuries in multiple trauma patients are major predisposing factor for increased length of stay in intensive care unit, prolonged mechanical ventilator, and respiratory complications such as pneumonia. The aim of this study is the evaluation of lung injury score as a risk factor for prolonged management in intensive care unit (ICU). Methods: Between June to August in 2011, 46 patients admitted to shock and trauma center in our hospital and 24 patients had associated chest damage without traumatic brain injury. Retrospectively, we calculated injury severity score (ISS), lung injury score, and the number of fractured ribs and performed nonparametric correlation analysis with length of stay in ICU and mechanical ventilator support. Results: Calculated lung injury score(<48 hours) was median 1(0-3) and ISS was median 30(8-38) in study population. They had median 2(0-14) fractured ribs. There were 2 bilateral fractures and 2 flail chest. Ventilator support was needed in 11(45.8%) of them for median 39 hours(6-166). The ISS of ventilator support group was median 34(24-34) and lung injury score was median 1.7(1.3-2.5). Tracheostomy was performed in one patient and it was only complicated case and ICU stay days was median 9(4-16). In correlation analysis, Lung injury score and ISS were significant with the length of stay in ICU but the number of fractured ribs and lung injury score were predicting factors for prolonged mechanical ventilator support. Conclusion: Lung injury score could be a possible prognostic factor for the prediction of increased length of stay in ICU and need for mechanical ventilator support.
Kim Ki-Chul;Park Sung-Jung;Jahng Doo-Sub;Kim Sam-Tae;Kim Yoo-Chul;Kwon So-Hee;Jung Hae-Kyoung;Song Yung-Sun;Lee Ki-Nam
Journal of Society of Preventive Korean Medicine
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v.8
no.1
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pp.19-32
/
2004
This study was conducted to evaluated musculoskeletal subjective symptoms and the degree of stress of industrial workers to present fundamental materials of preventive oriental medicine for improving their health and quality of life. During the medical examination with oriental medicine method, presence of subjective symptoms of musculoskeletal pain, Psychosocial Well-being Index(PWI) and life style were checked by using questionnaire method in 474 industrial workers. The collected data were analyzed with crosstabs, ANOVA and T-test. The results were as follows; 1. In general differences according to musculoskeletal subjective symptoms, education level of high school graduation had significantly higher distribution than that of below middle school or above university graduation in the pain present group. 2. In the musculoskeletal subjective symptoms and the degree of stress, all of Factor1, Factor2. Factor3, Factor4. and PWI had higher score in pain present group than in pain free group and the difference was statistically significant. 3. According to degree of stress and general character of subjects, single and education level of high school graduation had high score in Factor2, Factor3 and PWI. Factor1 and Factor3 was high in income group of low 1.49 million won. Factor2, Factor4, and PWI was high significantly in income group of 1.50 - 2.99 million won. In job type, manufacturing worker group had significantly high score in Factor3. 4. In degree of stress and life style difference, there was significant difference in PWI score in the field of alcohol chinking, smoking, exercise, obesity except sleeping hours. In the present study. as a result, it is found out that musculoskeletal subjective symptoms present group had higher score in psychosocial stress across the fields than symptom-free group and it is recommended that continuous studies on the relationship of job-related musculoskeletal disorders and psychosocial stress should be performed for improvement and prevention of mental and physical health of industrial worke
Recently, the number of patients with prostate cancer has been increased gradually by both the change of living environment and the increase of aged population. In this study the serum prostate specific antigen (PSA) level was compared to the Gleason score known as a prognostic factor for the prostate cancer. In the Gleason score 6 and $9{\sim}10$, the average age was 69.68 years old and 69.52 years old, respectively and there was no statistically difference in both of age and Gleason score. the PSA serum consistency appeared <4 ng/mL as example 1, $4{\sim}20ng/mL$ as example 17 and ${\geq}20ng/mL$ as example 4 in the Gleason score 6, and In the Gleason score $9{\sim}10$, it appeared <4 ng/mL as example 1, $4{\sim}20ng/mL$ as example 6 and ${\geq}20ng/mL$ as example 15. PSA serum consistency in the Gleason score $9{\sim}10$ showed higher value than those of Gleason score 6 (P<0.05). Next, expression ratios of bcl-2, Ki-67 and p53 were examined in the Gleason score 6 and $9{\sim}10$. the p53 expression ratio, a tumor suppression gene, appeared the significance statistically by the classification of the Gleason score as example 7 (28%) in the Gleason score 6 and as example 16 (64%) in the Gleason score $9{\sim}10$ (P<0.05). but not different in the expression ratios of the Ki-67 and bcl-2. The expression ratio of p53 by the expression ratio of bcl-2 and the expression ratio of Ki-67 by the expression ratio of p53 had a positive relationship in all of the Gleason score 6 and the Gleason score $9{\sim}10$ (P<0.05). However, the expression ratio of Ki-67 by the expression ratio of bcl-2 did not show any significance in the Gleason score $9{\sim}10$ (P<0.05). Therefore, the results suggested that p53 expression could be used as an independent prognostic factor.
The purpose of this study is to examine American students' perceptions of contemporary fashion design that incorporates Korean traditional costume. The findings, which are based on a survey of American students' aesthetic response to the fashion designs, are as follows. First, the impressions of American students about the fashion designs were affected by two major factors, Tradition and Trend. The Tradition factor was related to the impressions traditional, formal, elegant, classic, romantic, gorgeous, and natural, but was correlated negatively to the impressions dynamic, modern, and casual. The Trend factor was related to the impressions chic, trendy, and clear but not dandy. Designs with elongated shape had a positive score for the Tradition factor and designs with curvy line had a positive score for the Trend factor. Second, American students gave visual priority to the aspects of shape such as garment type and silhouette when they evaluated the designs. Color was less important than the aspect of shape in their fashion image perception. Therefore, they categorized the designs by similarity of garment types, and then sub-categorized them by color. The meaning of Korean traditional motifs or details was not significant to American students. Third, American students showed the tendency that the more they evaluated the designs to be gorgeous or trendy, the more they liked the designs. Furthermore, they liked the designs which have a positive score for the Trend factor.
Rhee Dong Soo;Rou Jae Man;Jee Dong Hwa;Kim Jong Deok;Noh Young Hee;Han You Jeong;So Hyang sook
The Journal of Korean Society for Radiation Therapy
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v.14
no.1
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pp.155-164
/
2002
This descriptive correlation study was undertaken in order to investigate the relationship of family support and personality with quality of life in patients receiving radiotherapy for breast cancer and to provide basic data to help them improve a better quality of life. This subjects for this study were 74 out-patients undergoing a radiation therapy at C hospital in Kwang-Ju. The data were obtained using a convenience sampling technique. The tool of this study were Ro's qualify of life scale, Kang's family support scale and Wallston & others health locus of control scale. The data were analyzed using a SAS program for percentage, mean, standard deviation, Pearson Correlation Coefficient, GLM. The results were as fellows: 1. The total average score of the quality of life of the subjects was 137.22 (minimum score 38-maximum score 227), item mean score(range 1-5) was 3.15. The total average score of the family support of the subjects was 40.38(minimum score 21-maximum score 47), item mean score(range 1-5) was 3.69. The total average score of health locus of control of the subjects was 42.47(minimum score 28-maximum score 59), item mean score(range 1-6 was 3.69. 2. The results of the analysis of the relationship between the quality of life scores and the health locus of control were as follows : the total average score of the qualify of life of internal locus of control scale was 133.50, he total average score of the quality of life of external locus of control scale was 138.41. 3. There was positive correlation between the health locus of control and the quality of life(r=0.0722, p=0.5413). 4. There were significant positive correlation between family support and quality of life(r=0.2328, p=0.0399). The results of the analysis of the relationship between the each factor in the quality of life scores and family support were as fellows : There were significant difference between the self esteem factor(r=0.2974, p=0.0124), relationship with family factor(r=0.2657, p=0.0241)
Hong, Yeon Hee;Lee, Jang Mi;Kim, Seul Ki;Youm, Hye Won;Jee, Byung Chul
Clinical and Experimental Reproductive Medicine
/
v.47
no.2
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pp.140-146
/
2020
Objective: To investigate whether the degree of post-warming embryo or blastocyst development is associated with clinical pregnancy in vitrified embryo or blastocyst transfer cycles. Methods: Ninety-six vitrified cleavage-stage embryos and 58 vitrified blastocyst transfer cycles were selected. All transfer cycles were performed from February 2011 to March 2019, and all vitrified embryos or blastocysts were warmed from 4 PM to 6 PM and then transferred the next morning from 9 AM to 10 AM. The scores of the cleavage-stage embryos and blastocysts were assessed at warming and at transfer using the modified Steer method and the Gardner method, respectively. The mean embryo or blastocyst score, score of the single top-quality embryo or blastocyst, and the difference in the score between warming and transfer were compared between nonpregnant and pregnant women. Results: In the cleavage-stage embryo transfer cycles, both the top-quality embryo score at transfer and the difference in the score between warming and transfer were significantly associated with clinical pregnancy. A top-quality embryo score at transfer of ≥ 60.0 (area under the curve [AUC], 0.673; 95% confidence interval [CI], 0.531-0.815) and a difference in the score between warming and transfer of ≥ 23.0 (AUC, 0.675; 95% CI, 0.514-0.835) were significant predictors of clinical pregnancy. In blastocyst transfer cycles, the top-quality blastocyst score at transfer was the only significant factor associated with clinical pregnancy. A top-quality blastocyst score at transfer of ≥ 38.3 was a significant predictor of clinical pregnancy (AUC, 0.666; 95% CI, 0.525-0.807). Conclusion: The top-quality embryo score at transfer and the degree of post-warming embryo development were associated with clinical pregnancy in vitrified cleavage-stage embryo transfer cycles. In vitrified blastocyst transfer cycles, the top-quality blastocyst score at transfer was the only significant factor affecting clinical pregnancy.
Proceedings of the Korean Society for Information Management Conference
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2015.08a
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pp.29-32
/
2015
연구자의 연구 성과와 저널의 영향력을 평가 할 수 있는 계량서지 지수는 매우 중요하다. 하지만 이들은 특징이 모두 다르기 때문에 저널을 선택할 때 여러 가지 지수를 함께 고려할 필요가 있다. 이를 위해 본 연구에서는 피어슨 상관분석을 통해 각 지수들을 비교 분석하여 이들 간의 관계를 보여주고자 한다. 이를 위해 상관 분석을 주제와 Article Influence Score(AIS) 순위에 따라 수행하였다. Total Cites와 Eigenfactor Score, Article influence Score와 5-Year Impact Factor의 상관분석 결과를 주제에 따른 평균값으로 살펴보았을 때, 이들은 매우 높은 상관관계가 있었다. 또한 Article influence Score와 5-Year Impact Factor의 경우, 모든 주제에서 AIS 순위에 따른 상위 25% 구간에서 두 지수 간에 상관관계가 매우 높은 것으로 나타났다.
The purposed of the study was to assess customer satisfaction concerning foodservice quality characteristics by using developed DINESERV model for university employee foodservices. Specially, it was intended to develop the tool which assesses the differences between customer importance and perceptions of customer with actual foodservice delivery by university employee foodservices. Questionnaires were distributed to 300 un9iversity employees. Total 230 university employees responded with a usable response rate of 67.7%. Statistical data analysis was completed using SAS programs for descriptive analysis and t-test. The results of the study are as follows: 1) Employees´first choice was distance when they select foodserveices. They answered their preference as the first factor when they order menu in the foodservices. The first complain factor concerning university foodservices was the taste of food. 2) Customers did not satisfied with the foodservice quality of university employee foodservices. Importance mean score of service quality was 3.81 out of 5 but percption mean score of service quality was 3.10. Importance mean score of food quality was 4.11 out of 5 but perception mean score of food quality was 2.96. 3) Customers´satisfaction of service quality by dimensions were as following order: assurance > reliability > responsiveness > empathy > tangibles. And customers´satisfaction of food quality by dimensions were as following order: nutrition > food > price > sanitation. There were no significant difference about customer satisfaction between contracted management and self-operated.
The purpose of the study was to assess customer satisfaction concerning service quality characteristics of university foodservice by using a developed DINESERV model. In particular, it was intended to develop a tool to assess the difference between customer judgements on importance and customers perceptions with actual service delivery by university foodservices. Quenstionnaires were distributed to 1,000 university students. A total at 820 university students responded with a usable response rate of 77.7%. A statistical data analysis was completed using SAS programs for descriptive analysis; a t-test, chi-square test and Dunan's multiple range test. The results of the study are as follows; 1) The mean number of students visiting university foodservices per week for males was larger than that of females. The students' first choice depended on distance when they selected foodservices. They answered their preference as the first factor when they order a particular menu items in foodservices. The first complaint factor concerning university foodservices was the price of the food. 2) Customers was not satisfied with the quality of the service of university foodservices. The important mean score of the service quality was 3.63 out of 5, but the perception mean score of the service quality was 2.87. Therefore, there was a gap(0.76) between the importance score and perception score. 3) Customers' satisfaction with the service quality by dimensions wee int he follow order: assurance>reliability>responsiveness>tangibles>empathy. Customers were more satisfied with the service quality of contracted management than that of self-operated facilities.
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