Table 3: Diagnostic performance of each qualitative and quantitative parameter that showed a statistically significant difference for differentiating CS from SCa
| Independent Variables | Prevalence | Sensitivity (%) | Specificity (%) | Accuracy (%) | PPV (%) | NPV (%) | AUC (95% CI) |
|---|---|---|---|---|---|---|---|
| Lesion center (mandibular condyle) | CS 7/12 SC 0/35 | 58.3 | 100.0 | 89.4 | 100.0 | 87.5 | 0.792 (0.611–0.972) |
| Destruction of the mandibular condyle (presence) | CS 11/12 SC 20/35 | 91.7 | 42.9 | 55.3 | 35.5 | 93.8 | 0.673 (0.510–0.835) |
| Destruction of articular eminence/glenoid fossa (absence) | CS 8/12 SC 8/35 | 66.7 | 77.1 | 74.5 | 50.0 | 87.1 | 0.719 (0.542–0.896) |
| Sclerosis of the articular eminence/glenoid fossa (absence) | CS 10/12 SC 8/35 | 83.3 | 77.1 | 78.7 | 55.6 | 93.1 | 0.802 (0.654–0.950) |
| Infiltration into the tendon of the LPM (presence) | CS 12/12 SC 5/35 | 100.0 | 85.7 | 89.4 | 70.6 | 100.0 | 0.929 (0.855–1.000) |
| Calcification (absence or stippled) | CS 10/12 SC 9/35 | 83.3 | 74.3 | 76.6 | 52.6 | 92.9 | 0.729 (0.556–0.901) |
| Periosteal reaction (presence) | CS 8/12 SC 4/35 | 66.7 | 88.6 | 83.0 | 66.7 | 88.6 | 0.776 (0.604–0.948) |
| Internal enhancement (presence) | CS 12/12 SC 3/12 | 100.0 | 75.0 | 87.5 | 80.0 | 100.0 | 0.875 (0.719–1.000) |
| Mean lesion size (≥ 30.5 mm) | CS 10/12 SC 5/35 | 83.3 | 85.7 | 85.1 | 66.7 | 93.8 | 0.889 (0.773–1.000) |
↵a The items in parentheses correspond to the characteristics of CS, and 1 point was assigned if relevant imaging features in the parentheses were present.