Related Experiment Video
Updated: Jan 30, 2026

13:04
Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods
Published on: September 19, 2012
12.5K
Measuring the value of MRI: Comparative effectiveness & outcomes research
1Department of Radiology, NYU School of Medicine, New York, New York, USA.
Journal of Magnetic Resonance Imaging : JMRI
|January 12, 2019
Summary
Magnetic resonance imaging (MRI) is crucial for diagnosing diseases and assessing treatment response. Evaluating MRI
Area of Science:
- Medical imaging
- Diagnostic technologies
- Health outcomes research
Background:
- Magnetic resonance imaging (MRI) is a vital diagnostic tool for various clinical applications, including lesion detection, characterization, functional assessment, and treatment response monitoring.
- Maximizing the health benefits of MRI necessitates investigating its impact on patient outcomes and comparing its effectiveness against standard diagnostic methods.
Purpose of the Study:
- To investigate the impact of MRI on patient outcomes.
- To compare the clinical effectiveness and cost-effectiveness of MRI against existing diagnostic approaches.
- To inform health policy decisions and clinical guidelines regarding the optimal use of MRI.
Main Methods:
- Comparative outcome studies assessing benefits versus harms of MRI.
- Analysis of intermediate outcomes like reduced unnecessary therapy or shorter hospital stays.
- Cost-effectiveness analysis evaluating projected gains in life expectancy and quality-adjusted life expectancy.
Main Results:
- MRI's effectiveness is weighed against its sensitivity and specificity, considering disease type, severity, and treatment effects.
- While other modalities may be faster or cheaper, MRI can offer superior accuracy and additional disease-related information, potentially leading to greater population-level benefit.
- Comparative outcome studies provide evidence for health policy and clinical guidelines, detailing benefits, harms, and optimal patient populations for MRI use.
Conclusions:
- Expanding research on MRI's efficiency, accessibility, clinical effectiveness, and cost-effectiveness is essential for improving healthcare quality and value.
- Evidence from comparative outcome studies strengthens the foundation for informed health policy and clinical practice guidelines.
- Understanding the full spectrum of MRI's impact, from diagnosis to long-term outcomes and cost, is critical for its optimal implementation in healthcare.
Related Concept Videos
Predicting Reaction Outcomes
10.8K
Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
10.8K
Outcomes of Glycolysis
107.1K
Nearly all the energy used by cells comes from the bonds that make up complex organic compounds. These organic compounds are broken down into simpler molecules, such as glucose. As a result, cells extract energy from glucose over many chemical reactions—a process called cellular respiration.
Cellular respiration can occur aerobically (with oxygen) or anaerobically (without oxygen). In the presence of oxygen, cellular respiration starts with glycolysis and continues with pyruvate...
Cellular respiration can occur aerobically (with oxygen) or anaerobically (without oxygen). In the presence of oxygen, cellular respiration starts with glycolysis and continues with pyruvate...
107.1K
Guidelines for Writing Outcome
3.9K
When developing expected outcomes for a patient care plan, the nurse should adhere to the following recommendations:
Patient outcomes reflect the patient's response to the goal rather than what the nurse aims to achieve. Terminology should be observable and measurable to avoid the reader's interpretation. The desired outcome should be realistic and achievable in the designated care timeframe. Expected outcomes should align with adjunctive therapies. The outcome should enhance care...
Patient outcomes reflect the patient's response to the goal rather than what the nurse aims to achieve. Terminology should be observable and measurable to avoid the reader's interpretation. The desired outcome should be realistic and achievable in the designated care timeframe. Expected outcomes should align with adjunctive therapies. The outcome should enhance care...
3.9K
Comparing Copy Number Variations and SNPs
18.7K
Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
18.7K
Comparative Excretory Systems
26.6K
Animals have evolved different strategies for excretion, the removal of waste from the body. Most waste must be dissolved in water to be excreted, so an animal’s excretory strategy directly affects its water balance.
26.6K
Comparing Experimental Results: Student's t-Test
6.0K
The t-test is a statistical method used to compare the sample mean with a population mean or compare two means from two data sets. The test statistic is calculated from the standard deviation, mean, and number of measurements in the data set at a selected confidence interval and then compared to a table of critical values at this confidence level. If the test statistic is smaller than the critical value, the null hypothesis is accepted. In this case, we state that the difference between the...
6.0K

