A multi-parameterized artificial neural network for lung cancer risk prediction
Gregory R Hart1, David A Roffman1, Roy Decker1
1Department of Therapeutic Radiology, School of Medicine, Yale University, New Haven, Connecticut, United States of America.
Plos One
|October 26, 2018
Summary
This study developed an artificial neural network (ANN) using personal health data to predict lung cancer risk. The model demonstrated high specificity and moderate sensitivity, offering a valuable tool for early detection and risk assessment.
Area of Science:
- Oncology
- Medical Informatics
- Biostatistics
Background:
- Lung cancer remains a leading cause of cancer mortality worldwide.
- Early detection and risk stratification are crucial for improving patient outcomes.
- Predictive models utilizing readily available health information can enhance screening strategies.
Purpose of the Study:
- To train and validate a multi-parameterized artificial neural network (ANN) for predicting lung cancer risk.
- To assess the sensitivity and specificity of the ANN model using diverse personal health information.
- To evaluate the potential of the ANN as a cost-effective, non-invasive clinical tool for lung cancer risk stratification.
Main Methods:
- Utilized the 1997-2015 National Health Interview Survey adult dataset.
- Included demographic and health-related features: gender, age, BMI, diabetes, smoking status, emphysema, asthma, race, Hispanic ethnicity, hypertension, heart diseases, vigorous exercise habits, and history of stroke.
- Trained and validated a multi-parameterized artificial neural network (ANN) model, identifying 648 cancer and 488,418 non-cancer cases.
Main Results:
- The ANN achieved a sensitivity of 79.8% and specificity of 79.9% on the training set (AUC: 0.86).
- On the validation set, the model demonstrated a sensitivity of 75.3% and specificity of 80.6% (AUC: 0.86).
- The model exhibited high specificity and modest sensitivity for lung cancer detection.
Conclusions:
- An ANN model trained on personal health information can effectively stratify lung cancer risk.
- The developed ANN serves as a promising, non-invasive, and cost-effective tool for clinical risk assessment.
- Further research can refine the model for improved sensitivity in lung cancer screening protocols.
Related Concept Videos
Protein Networks
4.5K
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
4.5K
Predicting Molecular Geometry
45.8K
VSEPR Theory for Determination of Electron Pair Geometries
45.8K
Relative Risk
2.1K
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
2.1K
Network Covalent Solids
16.2K
Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
16.2K
Lung Capacity
56.3K
The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
56.3K
Prediction Intervals
3.4K
The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
3.4K


