Building a predictive model for continuous renal replacement therapy in patients with sepsis
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Abstract
Objective: The study aimed to develop a machine learning model using the XGBoost algorithm to predict continuous renal replacement therapy (CRRT) in patients with sepsis. Subject and method: This was a cross-sectional study involving 530 patients diagnosed with sepsis. Clinical and paraclinical parameters were collected at the time of diagnosis. Patients were then followed longitudinally to identify those who required CRRT. The sample size was divided into two groups in an 80:20 ratio. 80% of the sample was used to train the XGBoost model based on clinical and paraclinical parameters, while 20% was used to evaluate the model’s performance. Result: The model included 8 parameters: age, gender, portal entry of infection, serum urea concentration, serum creatinine concentration, blood lactate, and arterial pH. It achieved optimal performance with a sensitivity of 92.3%, specificity of 92.4%, accuracy of 91%, precision of 85.7%, and a very good AUC (0.95). Conclusion: The model based on the XGBoost algorithm had significant value in predicting CRRT in patients with sepsis.
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References
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