Research Article
Predicting Neck Abscess with Contrast-Enhanced Computed Tomography
Table 5
Sensitivity, specificity, PPV, and NPV of the CECT criteria.
| | | Sensitivity (%) | Specificity (%) | Positive predictive value (PPV) (%) | Negative predictive value (NPV) (%) |
| | Presence of inflammation | 97.2 | 25.0 | 87.5 | 75.0 | | Presence of hypodense mass | 98.1 | 33.3 | 89.8 | 80.0 | | Presence of rim enhancement | | | | | | Irrespective of degree of enhancement | 98.6 | 33.3 | 89.8 | 80.0 | | 100% | | | 96.2 | | | ≥50%–100% | | | 91.1 | | | Presence of air | 13.9 | 66.7 | 90.9 | 88.9 | | Presence of rim irregularity | 87.5 | 66.7 | 96.9 | 42.1 | | Lymph node enlargement | 75 | 16.7 | 84.4 | 10.0 |
|
|
