Table 3 Per-lesion diagnostic performance and area under the curve of MRI analyzed by both the more and the less experienced readers for the definition of UTUC infiltration of muscular layer and perivisceral fat tissue
Sensitivity % (95% CI) | Specificity % (95% CI) | PPV % (95% CI) | NPV % (95% CI) | Accuracy % (95% CI) | AUC (95% CI) | ||
|---|---|---|---|---|---|---|---|
UTUC muscle invasion | More experienced reader | 95 (82–100) | 71 (47–88) | 81 (63–93) | 92 (70/100) | 85 (67–96) | 0.84 (0.70−0.98) |
Less experienced reader | 81 (61–94) | 61 (38–81) | 71 (51–86) | 73 (48–91) | 72 (55–83) | 0.71 (0.54−0.88) | |
UTUC infiltration of perivisceral fat tissue | More experienced reader | 87 (56–99) | 93 (81–99) | 78 (46–96) | 97 (86–100) | 92 (72–100) | 0.91 (0.76−1.00) |
Less experienced reader | 78 (46–96) | 87 (72–96) | 64 (35–87) | 93 (80–99) | 85 (69–97) | 0.86 (0.70−1.00) |