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Comparison of AES and MRI in anal fistula diagnosis
| Agreement between AES and intraoperative assessment | Agreement between MRI and intraoperative assessment | Agreement between AES and MRI | ||||
|---|---|---|---|---|---|---|
| Agreement rate | κ | Agreement rate | κ | Agreement rate | κ | |
| Fistula type | 64% | 0* | 79% | 0* | 57% | <0 |
| Localization of internal opening | 65% | 0,29 | 41% | <0 | 53% | 0,07 |
| Branching | 67% | 0,32 | 87% | 0,74 | 67% | 0,29 |
κ coefficient is not determined in a correct way due to the absence of negative cases.
