Table 3.
Classification and localization performance of free fluid detection via YoloV3
| Predicted | Actual | |
|---|---|---|
| Present | Absent | |
| Positve | 42 | 3 |
| Negative | 2 | 47 |
| Statistic | Value | 95% CI |
|---|---|---|
| Sensitivity | 95.45% | 84.53 to 99.44% |
| Specificity | 94.00% | 83.45 to 98.75% |
| Positive likelihood ratio | 15.91 | 5.30 to 47.75 |
| Negative likelihood ratio | 0.05 | 0.01 to 0.19 |
| Disease prevalence | 46.81% | 36.44 to 57.39% |
| Positive predictive value | 93.33% | 82.35 to 97.68% |
| Negative predictive value | 95.92% | 85.83 to 98.92% |
| Accuracy | 94.68% | 88.02 to 98.25% |
| AUC | 97% | 88.1 to 99.8% |
| AP | 97% | 88 to 99% |
| IOU | 56% |
AUC area under the curve, AP average precision, IOU Intersection over Union