Fig. 2

ROC curves of individual predictors for CRRT requirement. (Receiver operating characteristic (ROC) curves for individual clinical and laboratory variables in predicting the requirement for continuous renal replacement therapy (CRRT). Each curve represents the discriminatory performance of a single variable, with sensitivity plotted against 1-specificity. Variables such as PT, INR, creatinine, and spo2 demonstrated relatively higher predictive performance compared to others. The proximity of most curves to the diagonal suggests that individual predictors alone may have limited discriminative power).