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Assessing healthcare workers’knowledge and confidence in the diagnosis,management and prevention of Monkeypox

World Journal of Clinical Cases 2025年第1期13卷 38-47页

作者： Epipode Ntawuyamara Thierry Ingabire Innocent Yandemye Polycarpe Ndayikeza Bina Bhandari Yan-Hua Liang Department of Dermatology Cosmetology and VenereologyShenzhen Hospital of Southern Medical UniversityShenzhen 518101Guangdong ProvinceChina Department of Dermatology and Venereology Kamenge Teaching HospitalUniversity of BurundiBujumbura 1020Burundi Department of Infectious Diseases Kamenge Teaching HospitalUniversity of BurundiBujumbura 1020Burundi General Directorate of Healthcare Supply Modern and Traditional MedicineNutrition and RegistrationMinistry of Public Health and Fight Against HIV/AIDSBujumbura 1055Burundi Department of Epidemiology National Institute of Public HealthBujumbura 350Burundi General Directorate of Planification Ministry of Public Health and Fight Against HIV/AIDSBujumbura 1055Burundi

BACKGROUND Monkeypox(Mpox),is a disease of global public health concern,as it does not affect only countries in western and central *** To assess Burundi healthcare workers(HCWs)s’level of knowledge and confidence in the diagnosis and management of *** We conducted a cross-sectional study via an online survey designed mainly from the World Health Organization course distributed among Burundi HCWs from June-July *** questionnaire comprises 8 socioprofessional-related questions,22 questions about Mpox disease knowledge,and 3 questions to assess confidence in Mpox diagnosis and *** data were analyzed via SPSS software version 25.0.A P valueconfidence level to diagnose(21.20%),treat(18.00%)or prevent(23.30%)Mpox was low among *** confidence level in the diagnosis of Mpox was associated with the HCWs’age(P value=0.009),sex(P valueconfidence level to treat Mpox was significantly associated with the HCWs’age(P value=0.050),sex(P valueconfidence level to prevent Mpox was associated with the HCWs’education(P valueconfidence in the ability to diagnose,treat or prevent *** is an urgent need to organize continuing medical education programs on Mpox epidemiology and preparedness for Burundi *** encourage future researchers to assess potential hesitancy toward Mpox vaccination and its asso

关键词： Monkeypox Public health emergency of international concern Healthcare workers Epidemic Preparedness Knowledge confidence

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confidence limits for the mean of exponential distribution in any time-sequential samples

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Science China Mathematics 2005年第9期48卷 1182-1193页

作者： CHEN Jiading FANG Xiangzhong School of Mathematical Sciences LMAM Peking University Beijing 100871 China School of Mathematical Sciences LMAM Peking University Beijing 100871 China

We present the general results determining confidence limits for the mean of exponential distribution in any time-sequential samples, which are obtained in any sequential life tests with replacement or without replace... 详细信息

关键词： confidence limits, time-sequential samples, exponential distribution.

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confidence Intervals of the Generalized Pareto Distribution Parameters Based on Upper Record Values

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Acta Mathematicae Applicatae Sinica 2019年第4期35卷 909-918页

作者： Xu ZHAO Wei-hu CHENG Yang ZHANG Shao-jie WEI Zhen-hai YANG College of Applied Sciences Beijing University of Technology China Department of Economics Rutgers University USA

In this paper, we proposed a new efficient approach to construct confidence intervals for the location and scale parameters of the generalized Pareto distribution(GPD) when the shape parameter is known. The superiority of our method is that the distributions of pivots are exact, but not approximate distributions. The proposed interval estimation provides the shortest interval for the GPD parameter whether or not the confident distribution of the pivot is symmetric. We first estimate the location and scale parameters of the GPD using least squares and then, construct confidence intervals based on the equal probability density principle. The results of various simulation studies illustrate that our interval estimators show the better performance than competing method.

关键词： generalized Pareto distribution upper record values least squares estimator equal probability density principle confidence interval

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Uncertain Opinion Evolution with Bounded confidence Effects in Social Networks

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Journal of Systems Science and Systems Engineering 2019年第4期28卷 494-509页

作者： Min Zhan Haiming Liang Zhaogang Ding Yucheng Dong Business School Sichuan UniversityChengdu 610065 China School of Public Management Northwest University Xi'an 710069 China

When people express their opinions for an issue, they can express both exact opinions and uncertain opinions, such as numerical interval opinions. Moreover, social network is a crucial medium of opinion interaction and evolution. In this paper, uncertain opinion evolution with bounded confidence effects in social networks is investigated by theoretical demonstration and numerical examples analyses, and experiments simulations analyses. Theoretical results show when all the agents are with uncertainty tolerances, then the ratios of agents expressing uncertain opinions are impossible to decrease, even increase, as time increases;while when all the agents are without uncertainty tolerances, then the ratios of agents expressing uncertain opinions are impossible to increase, even decrease, as time increases. Moreover, the average widths of uncertain opinions are always smaller than the maximum opinion width of all the initial opinions among agents. Experiments simulations results show different ratios of agents with uncertainty tolerances and different ratios of agents expressing uncertain opinions have strong impact on the ratios of the agents expressing the uncertain opinions in the stable state, and the average widths of uncertain opinions in the stable state.

关键词： Opinion evolution uncertainty bounded confidence social network

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A Trust-Based Approach to Estimating the confidence of the Software System in Open Environments

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Journal of Computer Science & Technology 2009年第2期24卷 373-385页

作者：徐锋潘静陆文 State Key Laboratory for Novel Software Technology Department of Computer Science and Technology Nanjing University

Emerging with open environments, the software paradigms, such as open resource coalition and Internetware, present several novel characteristics including user-centric, non-central control, and continual evolution. The goal of obtaining high confidence on such systems is more difficult to achieve. The general developer-oriented metrics and testing-based methods which are adopted in the traditional measurement for high confidence software seem to be infeasible in the new situation. Firstly, the software development is changed from the developer-centric to user-centric, while user＇s opinions are usually subjective, and cannot be generalized in one objective metric. Secondly, there is non-central control to guarantee the testing on components which formed the software system, and continual evolution makes it impossible to test on the whole software system. Therefore, this paper proposes a trust-based approach that consists of three sequential sub-stages： 1） describing metrics for confidence estimation from users; 2） estimating the confidence of the components based on the quantitative information from the trusted recommenders; 3） estimating the confidence of the whole software system based on the component confidences and their interactions, as well as attempts to make a step toward a reasonable and effective method for confidence estimation of the software system in open environments.

关键词： trust confidence open resource coalition Internetware software architecture

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The computation of Buehler confidence limits

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Science China Mathematics 2005年第8期48卷 1065-1074页

作者： FANG Xiangzhong CHEN Jiading School of Mathematical Science LMAM Peking University Beijing 100871 China School of Mathematical Science LMAM Peking University Beijing 100871 China

In medicine and industry, small sample size often arises owing to the high test cost. Then exact confidence inference is important. Buehler confidence limit is a kind of exact confidence limit for the function of parameters in a model. It can be always defined if the order in sample space is given. But the computing problem is often difficult, especially for the cases with high dimension parameter or with incomplete data. This paper presents an algorithm to compute the Buehler confidence limits by EM algorithm. This is the firsttime usage of EM algorithm on Buehler confidence limits, but the algorithm is often used for maximum likelihood estimate in literatures. Three computation examples are given to illustrate the method.

关键词： Buehler confidence limits, EM algorithm, small sample.

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Empirical likelihood confidence regions of the parameters in a partially linear single-index model

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Science China Mathematics 2005年第10期48卷 1333-1348页

作者： XUE Liugen~1 & ZHU Lixing~2 1. College of Applied Sciences,Beijing University of Technology,Beijing 100022,China 2. Department of Mathematics,Hong Kong Baptist University,Hong Kong,China 1. College of Applied Sciences Beijing University of Technology 100022 Beijing China 2. Department of Mathematics Hong Kong Baptist University Hong Kong China

In this paper, a partially linear single-index model is investigated, and three empirical log-likelihood ratio statistics for the unknown parameters in the model are suggested. It is proved that the proposed statistics are asymptotically standard chi-square under some suitable conditions, and hence can be used to construct the confidence regions of the parameters. Our methods can also deal with the confidence region construction for the index in the pure single-index model. A simulation study indicates that, in terms of coverage probabilities and average areas of the confidence regions, the proposed methods perform better than the least-squares method.

关键词： partially linear single-index model, empirical likelihood, confidence region, chi-square distribution, coverage probability.

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Consumer confidence and consumers’ preferences for infant formulas in China

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Journal of Integrative Agriculture 2019年第8期18卷 1793-1803页

作者： LI Sai-wei ZHU Chen CHEN Qi-hui LIU Yu-mei College of Economics and Management China Agricultural University Beijing 100083 P.R.China Center for Food and Health Economic Research College of Economics and Management China Agricultural University Beijing100083 P.R.China

A series of safety incidents related to domestically-produced infant formulas(DIFs) almost destroyed Chinese consumer confidence in domestic dairy products. Understanding consumer confidence and its effect on consumption behavior is important to restore consumer confidence and enhance the competitiveness of domestic dairy industry. This article first measures Chinese consumer confidence in DIFs safety using a two-dimension scale(optimism and pessimism) and then investigates its effect on consumers’ preferences for DIFs through a choice experiment. Involving 450 consumers residing in Beijing, Tianjin and Shijiazhuang, the experiment elicited information on their preferences for DIFs with six attributes(organic raw milk, farm-to-table traceability, region of origin, quality certification, animal welfare, and price). Our analysis yields four findings. First, Chinese consumers still lack confidence in DIFs safety. Second, quality certification is the most preferred product characteristic, followed by organic raw milk and farm-to-table traceability. Third, serving as a signal of high quality, price exerts a positive impact on choices of DIFs for pessimistic consumers. Finally, consumer preferences for farm-to-table traceability and region of origin are significantly influenced by consumer confidence.

关键词： consumer confidence food safety infant formula choice experiment willingness to pay China

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Theoretical analysis of the confidence metrics for nearestneighbor classifier

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Chinese Science Bulletin 1998年第6期43卷 464-467页

作者： Xiaofan Lin Xiaoqing Ding Youshou Wu Tsing Hua Univ Dept Elect Engn Beijing 100084 Peoples R China

confidence value plays a vital role in the decision of rejection threshold and the integration of multiple classifiers. Nearest neighbor (NN) classifier is the most traditional and most common nonparameter statistical pattern classifier. However, so far there is no explicate theoretical analysis of the connection between nearest distance and confidence value. An analytical insight into different approximations is presented and one formula is pointed out that it is optimal in the sense of mathematical expectation. Practice in handwritten numeral recognition strongly supports the conclusion.

关键词： nearest neighbor classifier confidence value optimal rejection handwritten numeral recognition.

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On exactness and unbiasedness of confidence bands for a continuous distribution function

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Science China Mathematics 2010年第10期53卷 2665-2678页

作者： DING XiaoBo1,2,XU XingZhong2 & ZHAO ShuRan3 1Institute of Applied Mathematics,Academy of Mathematics and Systems Science,Chinese Academy of Sciences,Beijing 100190,China 2Department of Mathematics,Beijing Institute of Technology,Beijing 100081,China 3School of Economics,Ocean University of China,Qingdao 266071,China 1. Institute of Applied Mathematics Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100190 China2. Department of Mathematics Beijing Institute of Technology Beijing 100081 China3. School of Economics Ocean University of China Qingdao 266071 China

We define a class of confidence bands for distribution functions,named simple confidence *** class of bands includes the common step bands and continuous bands,some of which may perform better than the smoothed bands not belonging to the class,e.g.,the kernel smoothed *** is shown that under some mild assumptions,the simple bands with exact coverage for continuous distribution functions are all step *** unbiasedness problem of the step bands is also *** is proved that most of two-sided step bands are biased and one-sided step bands are unbiased.

关键词： exact coverage goodness of fit kernel smoothing simple confidence bands unbiasedness

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