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Identifying schizophrenia subgroups using clustering and supervised learning.

Schizophrenia research Aug 24, 2019
Schizophrenia has a 1% incidence rate world-wide and those diagnosed present with positive (e.g. hallucinations, delusions), negative (e.g. apathy, asociality), and cognitive symptoms. However, both symptom burden and associated brain alterations are...
Organ Size Image Interpretation, Computer-Assisted Male Humans Area Under Curve Pattern Recognition, Automated Severity of Illness Index Brain Supervised Machine Learning Psychiatric Status Rating Scales Female Schizophrenia Magnetic Resonance Imaging Adult Cluster Analysis
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Pattern recognition and prognostic analysis of longitudinal blood pressure records in hemodialysis treatment based on a convolutional neural network.

Journal of biomedical informatics Aug 24, 2019
OBJECTIVE: The aim of this study is to analyze and visualize blood pressure (BP) patterns during continuous hemodialysis (HD) sessions, referred to as multiple-session patterns (MSPs), and explore whether deep learning models with MSPs have better pe...
Systole Aged, 80 and over Young Adult Adult Male Middle Aged Electronic Health Records Female Reproducibility of Results Aged Blood Pressure Kidney Failure, Chronic Nonlinear Dynamics Medical Informatics Pattern Recognition, Automated Deep Learning Renal Dialysis Adolescent Blood Pressure Determination Humans Neural Networks, Computer Prognosis
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Estimation of Vertical Ground Reaction Force Using Low-Cost Insole With Force Plate-Free Learning From Single Leg Stance and Walking.

IEEE journal of biomedical and health informatics Aug 23, 2019
For the evaluation of pathological gait, a machine learning-based estimation of the vertical ground reaction force (vGRF) using a low-cost insole is proposed as an alternative to costly force plates. However, learning a model for estimation still rel...
Humans Machine Learning Young Adult Adult Biomechanical Phenomena Male Posture Equipment Design Walking Gait Analysis Leg
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Sex estimation: a comparison of techniques based on binary logistic, probit and cumulative probit regression, linear and quadratic discriminant analysis, neural networks, and naïve Bayes classification using ordinal variables.

International journal of legal medicine Aug 23, 2019
The performance of seven classification methods, binary logistic (BLR), probit (PR) and cumulative probit (CPR) regression, linear (LDA) and quadratic (QDA) discriminant analysis, artificial neural networks (ANN), and naïve Bayes classification (NBC)...
Statistics as Topic Skull Machine Learning Algorithms Female Male Logistic Models Bayes Theorem Discriminant Analysis Pelvis Sex Determination by Skeleton Humans Neural Networks, Computer
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A 3D Spatially Weighted Network for Segmentation of Brain Tissue From MRI.

IEEE transactions on medical imaging Aug 23, 2019
The segmentation of brain tissue in MRI is valuable for extracting brain structure to aid diagnosis, treatment and tracking the progression of different neurologic diseases. Medical image data are volumetric and some neural network models for medical...
Imaging, Three-Dimensional Magnetic Resonance Imaging Algorithms Brain Female Male Deep Learning Humans
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Automatic radiomic feature extraction using deep learning for angiographic parametric imaging of intracranial aneurysms.

Journal of neurointerventional surgery Aug 23, 2019
BACKGROUND: Angiographic parametric imaging (API) is an imaging method that uses digital subtraction angiography (DSA) to characterize contrast media dynamics throughout the vasculature. This requires manual placement of a region of interest over a l...
Retrospective Studies Female Aged Aged, 80 and over Young Adult Humans Neural Networks, Computer Cohort Studies Contrast Media Angiography, Digital Subtraction Intracranial Aneurysm Adult Male Middle Aged Deep Learning Adolescent
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Radiomics machine-learning signature for diagnosis of hepatocellular carcinoma in cirrhotic patients with indeterminate liver nodules.

European radiology Aug 23, 2019
PURPOSE: To enhance clinician's decision-making by diagnosing hepatocellular carcinoma (HCC) in cirrhotic patients with indeterminate liver nodules using quantitative imaging features extracted from triphasic CT scans.
Humans Artificial Intelligence Machine Learning Retrospective Studies Tomography, X-Ray Computed Female Aged Male Contrast Media Liver Diagnosis, Differential Middle Aged Liver Neoplasms Carcinoma, Hepatocellular Liver Cirrhosis
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Artificial Intelligence in Nephrology: Core Concepts, Clinical Applications, and Perspectives.

American journal of kidney diseases : the official journal of the National Kidney Foundation Aug 23, 2019
Artificial intelligence is playing an increasingly important role in many fields of medicine, assisting physicians in most steps of patient management. In nephrology, artificial intelligence can already be used to improve clinical care, hemodialysis ...
Quality Improvement Algorithms Forecasting Female Male Nephrology Humans Artificial Intelligence Machine Learning
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Using artificial intelligence to reduce diagnostic workload without compromising detection of urinary tract infections.

BMC medical informatics and decision making Aug 23, 2019
BACKGROUND: A substantial proportion of microbiological screening in diagnostic laboratories is due to suspected urinary tract infections (UTIs), yet approximately two thirds of urine samples typically yield negative culture results. By reducing the ...
Humans Urinalysis Adult Male Middle Aged Infant Adolescent Child, Preschool Child Urinary Tract Infections Workload Retrospective Studies Pregnancy Female Aged Young Adult Neural Networks, Computer Artificial Intelligence Machine Learning Algorithms
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Machine learning enables detection of early-stage colorectal cancer by whole-genome sequencing of plasma cell-free DNA.

BMC cancer Aug 23, 2019
BACKGROUND: Blood-based methods using cell-free DNA (cfDNA) are under development as an alternative to existing screening tests. However, early-stage detection of cancer using tumor-derived cfDNA has proven challenging because of the small proportion...
Reproducibility of Results Aged Aged, 80 and over Colorectal Neoplasms Biomarkers, Tumor Humans Machine Learning Female Genomics Computational Biology Neoplasm Staging Genome, Human Circulating Tumor DNA Male Middle Aged Gene Expression Profiling Transcriptome ROC Curve
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