Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Statistical Methods for Analyzing Epidemiological Data01:25

Statistical Methods for Analyzing Epidemiological Data

864
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:
864
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

380
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
380
Strategies for Assessing and Addressing Confounding01:25

Strategies for Assessing and Addressing Confounding

336
Confounding is a critical issue in epidemiological studies, often leading to misleading conclusions about associations between exposures and outcomes. It occurs when the relationship between the exposure and the outcome is mixed with the effects of other factors that influence the outcome. Given that, addressing confounding is of high importance for drawing accurate inferences in research.
Confounding can be addressed at both the design phase of a study and through analytical methods after data...
336
Steps in Outbreak Investigation01:18

Steps in Outbreak Investigation

468
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:
468
Comparing the Survival Analysis of Two or More Groups01:20

Comparing the Survival Analysis of Two or More Groups

533
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
533
Mechanistic Models: Compartment Models in Individual and Population Analysis01:23

Mechanistic Models: Compartment Models in Individual and Population Analysis

226
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...
226

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Mpox post-exposure prophylaxis in Singapore: local experience.

Singapore medical journal·2026
Same author

Same actors, same processes, same outcomes: Global health architecture reform or restoration?

PLOS global public health·2026
Same author

Utilising digital contact tracing during a pandemic to measure contact trends by risk group.

Communications medicine·2026
Same author

Nighttime Cold Stress and Cardiovascular Emergency Hospitalizations: A Time-Series Analysis by Sex and Age in a Subtropical City.

Journal of the American Heart Association·2026
Same author

Prior SGLT2 Inhibitor and Metformin Use and Risk of Long COVID in Type 2 Diabetes: A Nationwide Population-Based Cohort Study.

Infectious diseases and therapy·2026
Same author

Evaluating age-dependent transmission and vaccination policy in Singapore's SARS-CoV-2 epidemic: A computational modelling approach.

Epidemics·2026

相关实验视频

Updated: Jan 9, 2026

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data
10:46

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

Published on: December 9, 2015

11.0K

联系人追踪方法的比较:一个建模研究.

Joanna X R Tan1, Lalitha Kurupatham2, Zubaidah Said2

  • 1Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore.

Infectious Disease Modelling
|December 11, 2025
PubMed
概括

接触者追踪在高病例确诊和隔离的情况下最有效,显著减少疾病传播. 建议在流行病期间采取适应资源的灵活策略,以实现最佳的疾病控制.

关键词:
这是双向追踪.在 COVID-19 疫情中,集群集群是一个集群集群.联系人追踪 联系人追踪扩展的跟踪追踪前进的跟踪方式

更多相关视频

An R-Based Landscape Validation of a Competing Risk Model
05:37

An R-Based Landscape Validation of a Competing Risk Model

Published on: September 16, 2022

2.5K
Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping
09:41

Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping

Published on: April 21, 2023

2.1K

相关实验视频

Last Updated: Jan 9, 2026

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data
10:46

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

Published on: December 9, 2015

11.0K
An R-Based Landscape Validation of a Competing Risk Model
05:37

An R-Based Landscape Validation of a Competing Risk Model

Published on: September 16, 2022

2.5K
Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping
09:41

Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping

Published on: April 21, 2023

2.1K

科学领域:

  • 流行病学 流行病学
  • 公共卫生 公共卫生
  • 数学建模的数学建模

背景情况:

  • 联系人追踪对于疾病制至关重要,正如COVID-19大流行期间所证明的那样.
  • 评估联系人追踪的有效性是具有挑战性的,因为不同的方法和国家特定的操作.
  • 评估各种接触者追踪策略对于未来的流行病准备至关重要.

研究的目的:

  • 在不同的场景下评估不同接触者追踪方法的有效性.
  • 用新加坡的人口和COVID-19特征来建模疾病传播.
  • 为优化联系人追踪操作提供指导.

主要方法:

  • 使用新加坡的联系人追踪数据和COVID-19特征开发了一个传输网络模型.
  • 探索了三个追踪方法:向前,延伸和集群追踪.
  • 模拟场景,不同病例确定 (低/高) 和接触干预 (检测/隔离).

主要成果:

  • 联系人追踪的有效性在不同情景中差异很大.
  • 接触隔离的高病例确诊率被证明是最有效的,以早期和低成本停止传播.
  • 集群追踪通常是在低病例确定条件下最有效的方法.

结论:

  • 接触者追踪在高病例确诊率和接触者隔离的情况下最有效.
  • 动态的流行病情况需要灵活的接触者追踪方法.
  • 根据资源可用性和运营能力调整战略,优化疾病控制.