Table 11 Accuracy of MRI technique in prediction of abscess among studied patients
From: Magnetic resonance imaging in the workup of patients with perianal fistulas
| Â | Technique | ||
|---|---|---|---|
T2WI | DWI | Combined T2WI and DWI | |
SE | 100% | 100% | 97% |
SP | 44% | 61.5% | 91% |
PPV | 33.3% | 42.3% | 75% |
NPV | 100% | 100% | 99% |
AC | 56% | 70% | 92.3% |
Cutoff point |  > 1 |  > 1 |  > 1 |
AUC | 0.718 | 0.808 | 0.942 |
P value |  < 0.001 |  < 0.001 |  < 0.001 |