相关实验视频
Updated: Jun 23, 2025

16:14
Trajectory Data Analyses for Pedestrian Space-time Activity Study
Published on: February 25, 2013
13.5K
空间时间数据建模用于医院的流行病学研究
IEEE journal of biomedical and health informatics
|June 21, 2024
概括
这项研究引入了一种灵活的数据模型,通过绘制患者的移动和事件来跟踪医院获得的感染. 这种方法有助于了解疾病的传播,并确定医疗机构内的传播途径.
科学领域:
- 医疗信息学 医疗信息学
- 流行病学 流行病学
- 数据建模数据建模
背景情况:
- 鼻腔感染在医疗保健中存在重大风险.
- 医院的空间布局和患者的移动是疫情传播的关键因素.
- 现有的感染传播模型缺乏通用性.
研究的目的:
- 设计一个可通用的数据模型,用于研究医院获得的感染传播.
- 纳入空间 (医院布局) 和时间 (患者事件) 的维度.
- 促进各种各样的流行病学研究主题.
主要方法:
- 开发了一个具有空间和时间维度的数据模型.
- 实现了模型作为一个RDF*知识图.
- 使用SPARQL*进行数据查询.
- 用合成数据设计和进行实验.
主要成果:
- 在六个流行病学查询中证明了模型的适用性.
- 查询重点关注患者的移动和接触,以确定传播途径.
- 通过知识图,成功分析了两个Clostridium difficile疫情.
结论:
- 拟议的数据模型可以适应各种医院布局和流行病学研究问题.
- 通过RDF*知识图实现,可以有效分析感染传播.
- 这种方法可以提高对医院感染的理解和控制.
相关概念视频
Steps in Outbreak Investigation
122
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
122
Statistical Methods for Analyzing Epidemiological Data
349
Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods:
349
Introduction To Survival Analysis
215
Survival analysis is a statistical method used to study time-to-event data, where the "event" might represent outcomes like death, disease relapse, system failure, or recovery. A unique feature of survival data is censoring, which occurs when the event of interest has not been observed for some individuals during the study period. This requires specialized techniques to handle incomplete data effectively.
The primary goal of survival analysis is to estimate survival time—the time...
The primary goal of survival analysis is to estimate survival time—the time...
215
Statistical Software for Data Analysis and Clinical Trials
532
Statistical software is pivotal in data analysis and clinical trials by providing tools to analyze data, draw conclusions, and make predictions. These software packages range from simple data management applications to complex analytical platforms, supporting various statistical tests, models, and simulation techniques. Their significance lies in their ability to handle vast amounts of data with precision and efficiency, enabling researchers to validate hypotheses, identify trends, and make...
532
Mechanistic Models: Compartment Models in Individual and Population Analysis
36
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
36
Data Collection by Observations
11.9K
Data collection refers to a systematic way of obtaining, observing, measuring, and analyzing accurate information. Observational studies are one of the most widely used methods of data collection. It involves collecting data by observing the behavior and physical characteristics of a sample without making any modifications to the sample.
An astronomer viewing the motion and brightness of stars in the sky and recording the data is an example of observational data collection. A botanist recording...
An astronomer viewing the motion and brightness of stars in the sky and recording the data is an example of observational data collection. A botanist recording...
11.9K

