Table 4 The ROC curve analysis results of RPRV and SFR.
Cut-off value | AUC | sensitivity | specificity | Youden index | 95% CI | P value | ||
---|---|---|---|---|---|---|---|---|
Overall sample | Renal volume | 157.6575 | 0.477 | 0.847 | 0.235 | 0.082 | 0.358–0.596 | 0.7 |
Renal parenchymal volume | 145.4800 | 0.571 | 0.576 | 0.618 | 0.194 | 0.450–0.691 | 0.230 | |
RPRV | 0.6890 | 0.678 | 0.953 | 0.412 | 0.365 | 0.562–0.794 | 0.002* | |
2–2.9 cm | Renal volume | 194.4900 | 0.454 | 0.533 | 0.529 | 0.062 | 0.289–0.618 | 0.575 |
Renal parenchymal volume | 145.6175 | 0.625 | 0.622 | 0.706 | 0.328 | 0.459–0.791 | 0.132 | |
RPRV | 0.6887 | 0.769 | 0.978 | 0.588 | 0.566 | 0.607–0.930 | 0.001* | |
3–4 cm | Renal volume | 157.8025 | 0.499 | 0.875 | 0.294 | 0.169 | 0.324–0.673 | 0.986 |
Renal parenchymal volume | 110.8875 | 0.493 | 0.925 | 0.235 | 0.160 | 0.320–0.666 | 0.931 | |
RPRV | 0.8034 | 0.572 | 0.350 | 0.882 | 0.232 | 0.408–0.736 | 0.393 |