Related Experiment Video
Updated: Jan 25, 2026

16:05
Using Micro-Electro-Mechanical Systems MEMS to Develop Diagnostic Tools
Published on: October 1, 2007
8.0K
From Simple Scores to Intelligent Systems: Encouraging the Development, Validation and Adoption of Robust Prognostic
Ornella Cantale1, Sara Oresti2, Igor Randulfe3
1Department of Oncology, University of Turin, San Luigi Gonzaga Hospital, Orbassano, Italy.
Technology in Cancer Research & Treatment
|January 23, 2026
Summary
Validated prognostic scores are lacking for extensive-stage small cell lung cancer (SCLC). Future models need molecular data and machine learning for clinical decision-making.
Area of Science:
- Oncology
- Clinical Research
- Biostatistics
Background:
- Small cell lung cancer (SCLC) is aggressive with poor prognosis.
- No validated prognostic score exists for extensive-stage (ES) SCLC.
- Current clinical decisions lack robust predictive tools.
Purpose of the Study:
- Review the evolution of prognostic models in SCLC.
- Identify limitations and gaps in existing models.
- Propose future directions for clinically actionable prognostic tools.
Main Methods:
- Comprehensive literature review of SCLC prognostic models.
- Analysis of historical context, model design, variables, validation, and applicability.
- Comparative assessment of scoring systems, nomograms, and integrative models.
Main Results:
- Historical models often lack external validation and use limited parameters.
- Recent models incorporate broader data but rarely validated externally.
- Existing tools are static and not integrated into practice.
Conclusions:
- A reliable, validated prognostic tool for ES-SCLC is still needed.
- Future models require dynamic, personalized approaches.
- Integrating molecular biomarkers, real-world data, and machine learning is crucial.
Related Concept Videos
Reliability and Validity
13.8K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
13.8K
In Vitro Drug Release Testing: Overview, Development and Validation
324
In vitro dissolution and drug release tests assess how quickly and how much of a drug is released from its dosage form into an aqueous medium under standardized laboratory conditions. These tests are essential tools in pharmaceutical development and quality assurance, offering insight into the drug's performance before clinical use.During formulation development, dissolution testing identifies incomplete or inconsistent drug release issues. It also supports decisions on selecting the optimal...
324
Intelligence
8.5K
The term "intelligence" is complex because it refers to both behavior and individuals, and its interpretation varies across cultures. European Americans tend to link intelligence with reasoning and cognitive skills, while in Kenya, it is tied to responsible participation in family and social life. In Uganda, intelligence is seen as the ability to know the right actions and carry them out effectively, while the Iatmul people of Papua New Guinea associate it with the capacity to remember...
8.5K
Introduction to z Scores
11.0K
A z score (or standardized value) is measured in units of the standard deviation. It tells you how many standard deviations the value x is above (to the right of) or below (to the left of) the mean, μ. Values of x that are larger than the mean have positive z scores, and values of x that are smaller than the mean have negative z scores. If x equals the mean, then x has a zero z score. It is important to note that the mean of the z scores is zero, and the standard deviation is one.
z scores...
z scores...
11.0K
Introduction to z Scores
1.3K
A z score (or standardized value) is measured in units of the standard deviation. It indicates how many standard deviations the value x is above (to the right of) or below (to the left of) the mean, μ. Values of x that are larger than the mean have positive z scores, and values of x that are smaller than the mean have negative z scores. If x equals the mean, then x has a zero z score. It is important to note that the mean of the z scores is zero, and the standard deviation is one.
z scores...
z scores...
1.3K
z Scores and Area Under the Curve
18.4K
z scores are the standardized values obtained after converting a normal distribution into a standard normal distribution. A z score is measured in units of the standard deviation. The z score tells you how many standard deviations the value x is above (to the right of) or below (to the left of) the mean, μ. Values of x that are larger than the mean have positive z scores, and values of x that are smaller than the mean have negative z scores. If x equals the mean, then x has a z score of...
18.4K

