![]() This indicates that our model can identify and make use of certain prognosis markers for hypertension and ischemic heart disease. It was observed that the model focused mostly on the centre of the retinal images where signs of CVD such as hemorrhages were present. We used gradient class activation map (GradCAM) to highlight the areas of interest in the retinal images that influenced the decisions of the proposed DL model most. The multi-modal model showed an improved accuracy of 78.3% in classifying CVD group and the control group. Uni-modal models based on retinal images and DXA data achieved 75.6% and 77.4% accuracy, respectively. ![]() We designed a case-control study with a novel multi-modal (combining data from multiple modalities-DXA and retinal images)-to propose a deep learning (DL)-based technique to distinguish the CVD group from the control group. We considered an adult Qatari cohort of 500 participants from Qatar Biobank (QBB) with an equal number of participants from the CVD and the control groups. In this study, we aimed at diagnosing CVD using a novel approach integrating information from retinal images and DXA data. In Qatar, there is a lack of studies focusing on CVD diagnosis based on non-invasive methods such as retinal image or dual-energy X-ray absorptiometry (DXA). ![]() People affected by CVDs may go undiagnosed until the occurrence of a serious heart failure event such as stroke, heart attack, and myocardial infraction. Cardiovascular diseases (CVD) are the leading cause of death worldwide.
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