Fig. 2From: Heart rate variability as a biomarker in patients with Chronic Chagas Cardiomyopathy with or without concomitant digestive involvement and its relationship with the Rassi scoreConfusion matrices for the best classification models (same shown in Table 4). KNN: k-nearest neighbors; SVM: support vector machine; MLP: multilayer perceptron; RF: random forest. Low: low-risk group; Intermediate: intermediate-risk group; High: high-risk groupBack to article page