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A Multivariate Joint Modeling Framework for Disease Progression in Chronic Illnesses Using Longitudinal Data
Anant Manish Singh
anantsingh1302@gmail.com
Department of Computer Engineering
Thakur College of Engineering and Technology (TCET), Mumbai, Maharashtra, India
Krishna Jitendra Jaiswal
krishnajaiswal2512@gmail.com
Department of Computer Engineering
Thakur College of Engineering and Technology (TCET), Mumbai, Maharashtra, India
Arya Brijesh Tiwari
aryabbrijeshtiwari@gmail.com
Department of Computer Engineering
Thakur College of Engineering and Technology (TCET), Mumbai, Maharashtra, India
Divyanshu Brijendra Singh
singhdivyanshu7869@gmail.com
Department of Computer Engineering
Thakur College of Engineering and Technology (TCET), Mumbai, Maharashtra, India
Aditya Ratnesh Pandey
ap7302758@gmail.com
Department of Computer Engineering
Thakur College of Engineering and Technology (TCET), Mumbai, Maharashtra, India
Maroof Rehan Siddiqui
maroof.siddiqui55@gmail.com
Department of Computer Engineering
Thakur College of Engineering and Technology (TCET), Mumbai, Maharashtra, India
Akash Pradeep Sharma
sharmaakash22803@gmail.com
Department of Computer Engineering
Thakur College of Engineering and Technology (TCET), Mumbai, Maharashtra, India
Shifa Siraj Khan
shifakhan.work@gmail.com
Department of Information Technology
Thakur College of Engineering and Technology (TCET), Mumbai, Maharashtra, India
Amaan Zubair Khan
hhkhananamaan@gmail.com
Department of Computer Engineering
Thakur College of Engineering and Technology (TCET), Mumbai, Maharashtra, India
Abstract: Disease progression modeling in chronic illnesses presents significant challenges due to the inherent complexity, heterogeneity and multivariate nature of longitudinal medical data. Traditional approaches often focus on single disease outcomes or fail to capture complex dependencies between multiple biomarkers measured over time. This research introduces a novel multivariate joint modeling framework that integrates advanced Bayesian methods with deep learning techniques to model disease progression trajectories across multiple correlated outcomes. Our framework extends existing methodologies by incorporating three key innovations: (1) a flexible multivariate longitudinal component using latent variables to capture dependencies between biomarkers, (2) a non-parametric disease trajectory module based on Gaussian processes with deep kernels to model non-linear progression patterns and (3) an interpretable patient-specific risk stratification component. We validate our approach using real-world longitudinal data from multiple chronic disease cohorts including Parkinson's disease, diabetes and chronic kidney disease. Results demonstrate that our framework outperforms existing methods in prediction accuracy (improving RMSE by 18.7% and MAE by 15.3%), provides more robust handling of irregular sampling and missing data and reveals clinically meaningful disease subtypes through trajectory clustering. Furthermore, our model demonstrates superior calibration of uncertainty estimates and maintains interpretability through feature importance metrics. This work addresses significant gaps in disease progression modeling by providing a unified framework that balances predictive power, clinical interpretability and computational efficiency thereby supporting more personalized clinical decision-making for chronic disease management.
Keywords: disease progression modeling, multivariate longitudinal data, Bayesian joint models, Gaussian processes, deep learning, chronic illness, trajectory clustering, personalized medicine
