• Julien Cobert, Paul M Lantos, Mark M Janko, David G A Williams, Karthik Raghunathan, Vijay Krishnamoorthy, Eric A JohnBull, Atilio Barbeito, and Padma Gulur.
• Department of Anesthesia, Critical Care Medicine division, University of California at San Francisco, 505 Parnassus Ave, Room M917, Box 0624, San Francisco, CA, 94143, USA. julien.cobert@ucsf.edu.
• J Urban Health. 2020 Dec 1; 97 (6): 814-822.

AbstractDrug overdoses are a national and global epidemic. However, while overdoses are inextricably linked to social, demographic, and geographical determinants, geospatial patterns of drug-related admissions and overdoses at the neighborhood level remain poorly studied. The objective of this paper is to investigate spatial distributions of patients admitted for drug-related admissions and overdoses from a large, urban, tertiary care center using electronic health record data. Additionally, these spatial distributions were adjusted for a validated socioeconomic index called the Area Deprivation Index (ADI). We showed spatial heterogeneity in patients admitted for opioid, amphetamine, and psychostimulant-related diagnoses and overdoses. While ADI was associated with drug-related admissions, it did not correct for spatial variations and could not account alone for this spatial heterogeneity.

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