Table 3.
Receiver-operating characteristic analysis of all 80 patients’ sheer wave speed c in distinguishing different pathologic categories.
| Category | AUC | Cutoff (m/s) | Sensitivity (%) | Specificity (%) | p value |
|---|---|---|---|---|---|
| pT1-2 vs pT3-4 | 0.77 (0.66-0.88) | <1.9 | 87.23 (74.26-95.17) | 60.61 (42.14-77.09) | <0.0001 |
| pN0 vs pN1-2 | 0.66 (0.53-0.78) | <2.1 | 84.62 (65.13-95.64) | 57.41 (43.21-70.77) | 0.0232 |
| LVI– vs LVI+ | 0.72 (0.60-0.84) | <2.9 | 100.00 (73.54-100.00) | 51.47 (39.03-63.78) | 0.0180 |
| PNI– vs PNI+ | 0.75 (0.59-0.92) | <2.8 | 62.50 (24.49-91.48) | 86.11 (75.94-93.13) | 0.0192 |
| W/M vs P differentiated | 0.71 (0.57-0.85) | <2.1 | 88.89 (51.75-99.72) | 56.34 (44.05-68.09) | 0.0406 |
| progStage 0-I vs progStage II-IV | 0.79 (0.65-0.94) | <1.9 | 80.00 (68.23-88.90) | 80.00 (51.91-95.67) | 0.0004 |
| progStage 0-II vs progStage III-IV | 0.72 (0.61-0.83) | <2.1 | 57.41 (43.21-70.77) | 88.46 (69.85-97.55) | 0.0013 |
| Low-risk vs high-risk | 0.78 (0.68-0.88) | <2.1 | 65.91 (50.08-79.51) | 86.11 (70.50-95.33) | <0.0001 |
LVI, lymphovascular invasion; PNI, perineural invasion; -, negative; +, positive; W/M, well to moderately; P, poorly; progStage, pathology-based prognostic stage.