Research Article
Detecting Congestive Heart Failure by Extracting Multimodal Features and Employing Machine Learning Techniques
Table 4
CHF detection performance based on entropy-based features by applying machine learning techniques.
| Classifier | TPR (%) | TNR (%) | PPV (%) | NPV (%) | TA (%) | AUC | LB | UP |
| Decision tree (DT) | Fine | 71 | 50 | 51 | 70 | 62.9 | 0.65 | 0.29 | 0.50 | Coarse | 90 | 36 | 70 | 70 | 69.8 | 0.69 | 0.10 | 0.36 |
| Support vector machine (SVM) | Linear | 93 | 30 | 72 | 68 | 69.0 | 0.71 | 0.07 | 0.30 | Quadratic | 83 | 57 | 68 | 76 | 73.3 | 0.74 | 0.17 | 0.57 | Cubic | 82 | 52 | 64 | 74 | 70.7 | 0.73 | 0.18 | 0.52 | Med. Gaussian | 94 | 30 | 76 | 69 | 69.8 | 0.75 | 0.06 | 0.30 |
| K-nearest neighbor (KNN) | Fine | 75 | 57 | 58 | 74 | 68.1 | 0.66 | 0.25 | 0.57 | Medium | 85 | 50 | 67 | 73 | 71.6 | 0.69 | 0.15 | 0.50 | Cosine | 82 | 52 | 64 | 74 | 70.7 | 0.72 | 0.18 | 0.52 |
| Ensemble classifiers | Bagged tree | 82 | 57 | 66 | 76 | 72.4 | 0.78 | 0.18 | 0.57 | Subsp. disc. | 89 | 39 | 68 | 70 | 69.8 | 0.71 | 0.11 | 0.39 | RUSBoosted tree | 75 | 59 | 59 | 75 | 69.0 | 0.75 | 0.25 | 0.59 |
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