Table 5 ROC analysis of parameters for the differential diagnosis between active fistula and postoperative healing (granulation) tissue (≤ 75 days)
From: Dynamic contrast-enhanced MR imaging in identifying active anal fistula after surgery
Parameters | Optimal cutoff | AUC(95%CI) | p | Sensitivity(%) | Specificity(%) |
|---|---|---|---|---|---|
WI (a.u.) | > 6.033 | 0.810(0.639, 0.924) | < 0.0001* | 52.17% | 100.00% |
WO (a.u.) | ≤ 0.120 | 0.719(0.539, 0.859) | 0.0118 | 56.52% | 100.00% |
TTP (sec) | ≤ 39.967 | 0.783(0.608, 0.905) | 0.0017* | 82.61% | 72.73% |
PEI (a.u.) | > 131.567 | 0.708(0.527, 0.850) | 0.0456 | 69.57% | 72.73% |
NSI (a.u.) | ≤ 0.949 | 0.779(0.604, 0.902) | 0.0004* | 52.17% | 100.00% |