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Chi-square Analysis02:46

Chi-square Analysis

The chi-square test is a statistical hypothesis test. It is used to check whether there is a significant difference between an expected value and an observed value. In the context of genetics, it enables us to either accept or reject a hypothesis, based on how much the observed values deviate from the expected values.
The chi-square test was developed by Pearson in 1990.
The first step of performing a Chi-square analysis is to establish a null hypothesis, which assumes that there is no real...
Secondary Healthcare System01:11

Secondary Healthcare System

Secondary healthcare is offered by a specialist, generally in hospitals or clinics for patients referred by primary healthcare providers. It occurs when a person has an illness or injury that requires specific medical care. Secondary care is often referred to as acute care. Secondary care can range from uncomplicated care to repair a minor laceration or treat a strep throat infection to more complicated emergent care, such as treating a head injury sustained in an automobile accident. Whatever...
Interdisciplinary Care: The Health Care Team-II01:18

Interdisciplinary Care: The Health Care Team-II

An interdisciplinary team includes many healthcare professionals working together and utilizing their skills, knowledge, and expertise to provide holistic and quality patient care. Here are a few more healthcare professionals.
Physical Therapist
A physical therapist (PT) aims to restore function or prevent additional impairment in a patient following an injury or disease. Massage, heat, cold, water, sonar waves, exercises, and electrical stimulation are some treatments used by PTs to treat...
Standards of Care II01:19

Standards of Care II

Nurses bear specific legal responsibilities under several federal statutes, including:
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.

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Updated: Jun 18, 2026

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies
10:38

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies

Published on: January 16, 2019

对临床从业人员的医学文献进行二级同行评审.

R Brian Haynes1, Chris Cotoi, Jennifer Holland

  • 1Health Information Research Unit, Department of Clinical Epidemiology and Biostatistics, Michael G. DeGroote School of Medicine, McMaster University, Faculty of Health Sciences, Hamilton, Ontario, Canada. bhaynes@mcmaster.ca

JAMA
|April 20, 2006
PubMed
概括

这项研究表明,临床文章的出版后同行评审系统是可行的,有助于医生更有效地找到相关研究. 麦克马斯特在线证据评分 (MORE) 系统和高级文献服务 (PLUS) 帮助基于证据的实践.

更多相关视频

Evaluation of a Point-of-Care Testing Analyzer for Measuring Peripheral Blood Leukocytes
05:58

Evaluation of a Point-of-Care Testing Analyzer for Measuring Peripheral Blood Leukocytes

Published on: March 22, 2022

相关实验视频

Last Updated: Jun 18, 2026

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies
10:38

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies

Published on: January 16, 2019

Evaluation of a Point-of-Care Testing Analyzer for Measuring Peripheral Blood Leukocytes
05:58

Evaluation of a Point-of-Care Testing Analyzer for Measuring Peripheral Blood Leukocytes

Published on: March 22, 2022

科学领域:

  • 医疗信息学 医疗信息学
  • 临床流行病学临床流行病学
  • 基于证据的医学基于证据的医学.

背景情况:

  • 大多数临床期刊文章对于个体从业者来说缺乏直接适用性.
  • 需要对临床相关性进行过和优先考虑研究.

研究的目的:

  • 为期刊文章开发一个二级临床同行评审流程.
  • 确定与特定临床学科最相关的文章.

主要方法:

  • 一项前性观察性研究,涉及对110多个临床期刊的审查.
  • 招募全球执业医生加入麦克马斯特在线证据评分 (MORE) 系统进行文章评估.
  • 利用自动化系统将文章分配给特定学科的评级者,并使用在线警报服务 (麦克马斯特高级文学服务 - PLUS) 进行传播.

主要成果:

  • 超过2100个评级者和近6000篇文章被评为相关性和新闻价值.
  • 与原始研究相比,系统审查在相关性方面被评为更高,但在新信息方面被评为更低.
  • 初级保健医生对文章的评价低于专家.

结论:

  • 出版后的同行评审系统是可行的,并得到了利用.
  • 该系统有效地根据临床学科兴趣区分期刊文章.
  • 这通过将临床医生与相关研究联系起来,促进了基于证据的实践.