13 March 2017 Evaluation of a web based informatics system with data mining tools for predicting outcomes with quantitative imaging features in stroke rehabilitation clinical trials
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Abstract
Quantitative imaging biomarkers are used widely in clinical trials for tracking and evaluation of medical interventions. Previously, we have presented a web based informatics system utilizing quantitative imaging features for predicting outcomes in stroke rehabilitation clinical trials. The system integrates imaging features extraction tools and a web-based statistical analysis tool. The tools include a generalized linear mixed model(GLMM) that can investigate potential significance and correlation based on features extracted from clinical data and quantitative biomarkers. The imaging features extraction tools allow the user to collect imaging features and the GLMM module allows the user to select clinical data and imaging features such as stroke lesion characteristics from the database as regressors and regressands. This paper discusses the application scenario and evaluation results of the system in a stroke rehabilitation clinical trial. The system was utilized to manage clinical data and extract imaging biomarkers including stroke lesion volume, location and ventricle/brain ratio. The GLMM module was validated and the efficiency of data analysis was also evaluated.
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Ximing Wang, Ximing Wang, Bokkyu Kim, Bokkyu Kim, Ji Hoon Park, Ji Hoon Park, Erik Wang, Erik Wang, Sydney Forsyth, Sydney Forsyth, Cody Lim, Cody Lim, Ragini Ravi, Ragini Ravi, Sarkis Karibyan, Sarkis Karibyan, Alexander Sanchez, Alexander Sanchez, Brent Liu, Brent Liu, } "Evaluation of a web based informatics system with data mining tools for predicting outcomes with quantitative imaging features in stroke rehabilitation clinical trials", Proc. SPIE 10138, Medical Imaging 2017: Imaging Informatics for Healthcare, Research, and Applications, 101380J (13 March 2017); doi: 10.1117/12.2256242; https://doi.org/10.1117/12.2256242
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