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Comparison of the diagnostic performance of US, US+CDFI and US+SMI.
| Variable | Sensitivity (%) | Specificity (%) | Accuracy (%) | AUC | 95% CI | P-value |
|---|---|---|---|---|---|---|
| US | 73.33 | 66.28 | 68.10 | 0.698 | 0.589–0.807 | |
| US + CDFI | 80.00 | 72.09 | 74.14 | 0.760 | 0.660–0.860 | <0.001 |
| US + SMI | 86.67 | 83.72 | 84.48 | 0.852 | 0.768–0.936 |
US, ultrasonography; CDFI, color Doppler flow imaging; SMI, superb microvascular imaging; AUC, area under ROC; CI, confidence interval.
