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Area under the curve for enhancement ratio
| Characteristic | Area | Threshold value (%) | p Value | Sen (%) | Spe (%) | 95% CI |
| Enhancement ratio | 0.798 | 61.5 | <0.001 | 89.5 | 63.2 | 0.703 to 0.893 |
Sen, sensitivity; Spe, specificity; Threshold value, the cut-off for the enhancement ratio.
