Table 3.
Real-time ultrasound vs offline analysis: overall comparative performance of multiparametric ultrasound (grayscale ultrasound, PD and GIS)
| Sensitivity | Specificity | LR+ | LR– | AUC | |
|---|---|---|---|---|---|
| % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | |
| Grayscale ultrasound | |||||
| Real-time evaluation | 92.7 (87–95) | 93.2 (89–96) | 6.3 (2.8–10.7) | 0.19(.05–0.20) | 0.93 (0.83–0.93) |
| Off line analysisa | 89.1 (75–89) | 89.3 (86–91) | 6.1 (2.2–9.1) | 0.17(.04–0.24) | 0.89 (0.80–0.91) |
| PD | |||||
| Real-time evaluation | 90.8 (86–95) | 93.6 (89–95) | 10.1 (2.3–11.4) | 0.15(.06–0.17) | 0.92 (0.84–0.95) |
| Off line analysisa | 88.9 (84–96) | 91.1 (90–96) | 9.2 (3.4–10.1) | 0.19(.09–0.19) | 0.88 (0.81–0.95) |
| GIS | |||||
| Real-time evaluation | 91 (82–91) | 96.1 (86–97) | 19.2 (7.9–22.9) | 0.11 (0.08–0.12) | 0.94 (0.84–0.98) |
| Off line analysisa | 90.9 (84–91) | 92.4 (88–94) | 18.4 (6.8–19.2) | 0.13 (0.09–0.13) | 0.91 (0.86–0.94) |
GIS, gel infusion sonography; PD, power Doppler.
a
Poor quality videos were seen in (5.9%, 9/152) at offline analysis and were excluded from the final anlysis.