Table 3.
Mean and standard deviation of shear wave velocity (SWV) for predicting malignancy in splenic lesions of dogs.
| Variable | Benign | Malignant | P-Value | CP | Se% | Sp% | PPV% | NPV% | Acc% | AUC |
|---|---|---|---|---|---|---|---|---|---|---|
| SWV cranial | 2.0 ± 0.5 | 3.0 ± 0.8 | < 0.0001 | > 2.6 | 71.4 | 93.8 | 93.8 | 71.4 | 81.1 | 0.8899 |
| SWV Medial | 1.9 ± 0.3 | 3.1 ± 0.8 | < 0.0001 | > 2.3 | 85.7 | 93.8 | 95.0 | 88.2 | 91.9 | 0.9077 |
| SWV Caudal | 2.0 ± 0.5 | 3.0 ± 0.7 | < 0.0001 | > 2.5 | 76.2 | 93.8 | 94.1 | 75.0 | 83.8 | 0.8661 |
| SWV of the lesion and medial in diffuse | 1.7 ± 0.5 | 3.4 ± 0.5 | < 0.0001 | > 2.6 | 95.2 | 100 | 100 | 94.1 | 97.3 | 0.9911 |
| Standard deviation of SWV | 0.3 ± 0.2 | 0.3 ± 0.2 | 0.4799 | NA | NA | NA | NA | NA | NA | NA |
| Evaluation depth | 2.1 ± 0.5 | 2.1 ± 0.6 | 0.8707 | NA | NA | NA | NA | NA | NA | NA |
NA not applicable, CP cutoff point, Se sensibility, Sp specificity, PPV positive predictive value, NPV negative predictive value.