Table 4.
Analysis of the performance of the algorithm by chest location.
| Chest location | Recordings (n) | Accuracy (%) | Crackles | Wheeze | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Sensitivity (%) | Precision (%) | Specificity (%) | F1-score (%) | Sensitivity (%) | Precision (%) | Specificity (%) | F1-score (%) | |||
| Posterior | ||||||||||
| Upper left | 104 | 74.7 | 92.9 | 76.5 | 93.4 | 83.9 | 83.3 | 62.5 | 76.5 | 71.4 |
| Upper right | 110 | 77.8 | 77.3 | 81.0 | 93.2 | 79.1 | 85.7 | 72.7 | 83.0 | 78.7 |
| Lower left | 100 | 76.0 | 88.9 | 84.2 | 94.7 | 86.5 | 68.4 | 54.2 | 80.4 | 60.5 |
| Lower right | 101 | 80.0 | 68.8 | 78.6 | 94.4 | 73.3 | 93.1 | 75.0 | 78.0 | 83.1 |
| Anterior | ||||||||||
| Upper left | 105 | 78.4 | 73.7 | 83.4 | 94.5 | 77.8 | 82.6 | 73.1 | 86.3 | 77.6 |
| Upper right | 107 | 79.8 | 77.3 | 85.0 | 94.7 | 81.0 | 85.7 | 77.4 | 86.3 | 81.4 |