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Related Concept Videos

Data Collection I01:30

Data Collection I

Data collection gathers information needed to make accurate judgments about a patient's present condition. During a health history interview, subjective data is collected from the patient, their caregivers, or family members, and objective data is collected through observations and physical assessment. Patients are the primary source of subjective data. Thus information gathered from patients through interviews, observations, and physical examination is primary data. Secondary sources of data...
The Evidence for Evolution02:55

The Evidence for Evolution

Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.The collection of fossils within sedimentary rocks give a record of common ancestry and often depicts the history of evolution.
Statistical Software for Data Analysis and Clinical Trials01:12

Statistical Software for Data Analysis and Clinical Trials

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...
Methods of Documentation V: CBE01:23

Methods of Documentation V: CBE

Charting by Exception, or CBE, is a method of documentation used in healthcare, particularly in nursing, that focuses on documenting only significant or abnormal findings rather than recording every detail. This approach aims to streamline the documentation process, improve efficiency, and ensure that healthcare providers can quickly identify deviations from normalcy in patient assessments.
In CBE, healthcare professionals establish predefined standards of practice that define what constitutes...
Hazard Ratio01:12

Hazard Ratio

The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial evaluating a...
Data Validation01:03

Data Validation

Data validation is an essential part of a comprehensive assessment. Validation is confirming or verifying and opening the door to gathering more assessment data as it clarifies vague or unclear data. The process of checking and verifying the collected information is called data validation. The primary purpose of data validation is to ensure data is as free from error, bias, and misinterpretation as possible.
Nursing assessment guides are generally based on holistic models rather than medical...

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Related Experiment Videos

[Searching for evidence-based data].

J-C Dufour1, J Mancini, M Fieschi

  • 1Laboratoire d'enseignement et de recherche sur le traitement de l'information médicale (Lertim), faculté de médecine de Marseille, université de la Méditerranée, 27, boulevard Jean-Moulin, 13385 Marseille cedex 5, France. jean-charles.dufour@medecine.univ-mrs.fr

Journal De Chirurgie
|September 25, 2009
PubMed
Summary
This summary is machine-generated.

Effective evidence-based medicine relies on understanding research databases and search strategies. Utilizing tools like PubMed and Medical Subject Headings (MeSH) is crucial for accessing and synthesizing scientific data efficiently.

Related Experiment Videos

Area of Science:

  • Information Science
  • Medical Informatics
  • Evidence-Based Medicine

Background:

  • Evidence-based medicine requires critical analysis of available health data.
  • Internet-based tools facilitate access to scientific publications.
  • Bibliographic databases store references with key information like titles and abstracts.

Purpose of the Study:

  • To outline strategies for effective searching of scientific literature.
  • To highlight the importance of formulating search queries for research engines.
  • To introduce key resources for medical literature retrieval.

Main Methods:

  • Formulating clinical, diagnostic, prognostic, treatment, or prevention questions.
  • Selecting appropriate specialized databases.
  • Analyzing search results to refine search strategies.
  • Utilizing standardized thesauri like MeSH for indexing.

Main Results:

  • Knowledge of standardized terms (e.g., MeSH) enhances information retrieval.
  • Medical Literature Analysis and Retrieval System Online (Medline) uses MeSH descriptors.
  • PubMed, a vast bibliography, includes Medline and additional references.
  • Other databases like Cochrane Library, Embase, PASCAL, and FRANCIS are also available.

Conclusions:

  • Strategic searching of scientific databases is essential for evidence-based medicine.
  • Understanding database specifics and search terminologies improves research efficiency.
  • A variety of specialized databases exist to support comprehensive literature reviews.