Preprint Article Version 1 This version is not peer-reviewed

Identification of Risk Factors Linked to Diabetic Foot Ulcers from Multimodal Electronic Health Records and Transcriptomics Using Machine Learning

Version 1 : Received: 15 August 2024 / Approved: 16 August 2024 / Online: 16 August 2024 (08:41:40 CEST)

How to cite: Flores, M.; Omo-Okhuasuyi, A.; Jin, Y.; Chen, Y.; ElHefnawi, M. Identification of Risk Factors Linked to Diabetic Foot Ulcers from Multimodal Electronic Health Records and Transcriptomics Using Machine Learning. Preprints 2024, 2024081212. https://doi.org/10.20944/preprints202408.1212.v1 Flores, M.; Omo-Okhuasuyi, A.; Jin, Y.; Chen, Y.; ElHefnawi, M. Identification of Risk Factors Linked to Diabetic Foot Ulcers from Multimodal Electronic Health Records and Transcriptomics Using Machine Learning. Preprints 2024, 2024081212. https://doi.org/10.20944/preprints202408.1212.v1

Abstract

Diabetic Foot Ulcer (DFU) is a severe complication of diabetes mellitus (DM), often leading to hospitalization and non-traumatic amputations in the United States. It is particularly prevalent among individuals of Hispanic descent, with a prevalence rate exceeding 10% [1, 2]. The target of this study is to identify markers of severity of DFU. This work follows a strategy that uses first Electronic Health Records and machine learning to identify risk factors reported as measurements of blood tests, such as cholesterol, blood sugar, and specific proteins in a cohort of thousands of patients. After this RNA risk factors are predicted using samples of bulk and single-cell gene expression across patients with different levels of DFU severity. We found the Albu-min/Creatinine Ratio (ACR) test as a key factor in severe DFUs. We also found a cluster of cells that harbor high expression of Apolipoprotein E protein (APOE) and it is significant in non-healing DFU cases. Overall, the study shows how the use of hundreds of thousands of EHR can reduce and inform the search space of molecules in a few samples of bulk-single cell transcriptomics and identify molecular markers of severity of DFU.

Keywords

Diabetic Foot Ulcer; Electronic Health Records; Machine Learning; Risk Factors; OCHIN Database; Healthcare Analytics

Subject

Biology and Life Sciences, Immunology and Microbiology

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