Use of Patterns of Service Utilization and Hierarchical Survival Analysis in Planning and Providing Care for Overdose Patients and Predicting the Time-to-Second Overdose

Author:

Bambi Jonas1ORCID,Olobatuyi Kehinde2ORCID,Santoso Yudi3,Sadri Hanieh4,Moselle Ken5,Rudnick Abraham6ORCID,Dong Gracia Yunruo27ORCID,Chang Ernie8,Kuo Alex1

Affiliation:

1. Department of Health Information Science, Faculties of Human and Social Development, Victoria Campus, University of Victoria, Victoria, BC V8P 5C2, Canada

2. Departments of Mathematics and Statistics, Faculty of Science, Victoria Campus, University of Victoria, Victoria, BC V8P 5C2, Canada

3. Independent Researcher, Victoria, BC V8R 5B4, Canada

4. Department of Computer Science, Faculty of Engineering and Computer Science, Victoria Campus, University of Victoria, Victoria, BC V8P 5C2, Canada

5. Department of Clinical Psychology, Faculty of Social Science, Victoria Campus, University of Victoria, Victoria, BC V8P 5C2, Canada

6. Departments of Psychiatry and Bioethics, School of Occupational Therapy, Faculties of Medicine and Health, Dalhousie University, Halifax, NS B3H 4R2, Canada

7. Department of Statistical Sciences, Faculties of Arts and Science, St. George Campus, University of Toronto, Toronto, ON M5S 1A1, Canada

8. Retired Physician and Independent Computer Scientist, Victoria, BC V9C 4B1, Canada

Abstract

Individuals from a variety of backgrounds are affected by the opioid crisis. To provide optimal care for individuals at risk of opioid overdose and prevent subsequent overdoses, a more targeted response that goes beyond the traditional taxonomical diagnosis approach to care management needs to be adopted. In previous works, Graph Machine Learning and Natural Language Processing methods were used to model the products for planning and evaluating the treatment of patients with complex issues. This study proposes a methodology of partitioning patients in the opioid overdose cohort into various communities based on their patterns of service utilization (PSUs) across the continuum of care using graph community detection and applying survival analysis to predict time-to-second overdose for each of the communities. The results demonstrated that the overdose cohort is not homogeneous with respect to the determinants of risk. Moreover, the risk for subsequent overdose was quantified: there is a 51% higher chance of experiencing a second overdose for a high-risk community compared to a low-risk community. The proposed method can inform a more efficient treatment heterogeneity approach for a cohort made of diverse individuals, such as the opioid overdose cohort. It can also guide targeted support for patients at risk of subsequent overdoses.

Publisher

MDPI AG

Reference43 articles.

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