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• W3169092018 abstract "Introduction. Rate pressure product (the product of heart rate and systolic blood pressure) is a measure of cardiac workload. Resting rate pressure product (rRPP) varies from one individual to the next, but its biochemical/cellular phenotype remains unknown. This study determined the degree to which an individual’s biochemical/cellular profile as characterized by a standard blood panel is predictive of rRPP, as well the importance of each blood biomarker in this prediction. Methods. We included data from 55,730 participants in this study with complete rRPP measurements and concurrently collected blood panel information from the Health Management Centre at the Affiliated Hospital of Hangzhou Normal University. We used the XGBoost machine learning algorithm to train a tree-based model and then assessed its accuracy on an independent portion of the dataset and then compared its performance against a standard linear regression technique. We further determined the predictive importance of each feature in the blood panel. Results. We found a fair positive correlation (Pearson <math xmlns=http://www.w3.org/1998/Math/MathML id=M1> <mi>r</mi> </math> ) of 0.377 (95% CI: 0.375-0.378) between observed rRPP and rRPP predicted from blood biomarkers. By comparison, the performance for standard linear regression was 0.352 (95% CI: 0.351-0.354). The top three predictors in this model were glucose concentration, total protein concentration, and neutrophil count. Discussion/Conclusion. Blood biomarkers predict resting RPP when modeled in combination with one another; such models are valuable for studying the complex interrelations between resting cardiac workload and one’s biochemical/cellular phenotype." @default.
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• W3169092018 date "2021-06-01" @default.
• W3169092018 modified "2023-09-23" @default.
• W3169092018 title "Blood Biomarkers Predict Cardiac Workload Using Machine Learning" @default.
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• W3169092018 doi "https://doi.org/10.1155/2021/6172815" @default.
• W3169092018 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8187049" @default.
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